8625780555 has 16 divisors (see below), whose sum is σ = 15772856064. Its totient is φ = 3943213920.

The previous prime is 8625780539. The next prime is 8625780593. The reversal of 8625780555 is 5550875268.

8625780555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8625780555 - 2⁴ = 8625780539 is a prime.

It is a super-2 number, since 2×8625780555² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8625780498 and 8625780507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41075041 + ... + 41075250.

It is an arithmetic number, because the mean of its divisors is an integer number (985803504).

Almost surely, 2^8625780555 is an apocalyptic number.

8625780555 is a deficient number, since it is larger than the sum of its proper divisors (7147075509).

8625780555 is a wasteful number, since it uses less digits than its factorization.

8625780555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82150306.

The product of its (nonzero) digits is 3360000, while the sum is 51.

The square root of 8625780555 is about 92875.0803768158. The cubic root of 8625780555 is about 2050.8448276767.

The spelling of 8625780555 in words is "eight billion, six hundred twenty-five million, seven hundred eighty thousand, five hundred fifty-five".