8625274551 has 24 divisors (see below), whose sum is σ = 13481919360. Its totient is φ = 5500171512.

The previous prime is 8625274529. The next prime is 8625274571. The reversal of 8625274551 is 1554725268.

8625274551 is a `hidden beast` number, since 8 + 6 + 25 + 2 + 74 + 551 = 666.

8625274551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8625274551 - 2⁷ = 8625274423 is a prime.

It is a super-2 number, since 2×8625274551² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8625274497 and 8625274506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8625274501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 766041 + ... + 777218.

It is an arithmetic number, because the mean of its divisors is an integer number (561746640).

Almost surely, 2^8625274551 is an apocalyptic number.

8625274551 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

8625274551 is a deficient number, since it is larger than the sum of its proper divisors (4856644809).

8625274551 is a wasteful number, since it uses less digits than its factorization.

8625274551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543297 (or 1543285 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 8625274551 is about 92872.3562261667. The cubic root of 8625274551 is about 2050.8047247947.

The spelling of 8625274551 in words is "eight billion, six hundred twenty-five million, two hundred seventy-four thousand, five hundred fifty-one".