8662741425 has 180 divisors, whose sum is σ = 18410133060. Its totient is φ = 4011171840.

The previous prime is 8662741387. The next prime is 8662741471. The reversal of 8662741425 is 5241472668.

8662741425 is a `hidden beast` number, since 8 + 6 + 627 + 4 + 14 + 2 + 5 = 666.

It can be written as a sum of positive squares in 18 ways, for example, as 8138926656 + 523814769 = 90216^2 + 22887^2 .

It is not a de Polignac number, because 8662741425 - 2¹⁷ = 8662610353 is a prime.

It is a super-2 number, since 2×8662741425² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 5817081 + ... + 5818569.

It is an arithmetic number, because the mean of its divisors is an integer number (102278517).

Almost surely, 2^8662741425 is an apocalyptic number.

8662741425 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8662741425 is an abundant number, since it is smaller than the sum of its proper divisors (9747391635).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8662741425 is a wasteful number, since it uses less digits than its factorization.

8662741425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554 (or 1527 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 8662741425 is about 93073.8493079555. The cubic root of 8662741425 is about 2053.7698962441.

The spelling of 8662741425 in words is "eight billion, six hundred sixty-two million, seven hundred forty-one thousand, four hundred twenty-five".