76883564889 has 12 divisors (see below), whose sum is σ = 111056590372. Its totient is φ = 51254532000.

The previous prime is 76883564873. The next prime is 76883564903. The reversal of 76883564889 is 98846538867.

76883564889 is a `hidden beast` number, since 7 + 68 + 83 + 5 + 6 + 488 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 70841145600 + 6042419289 = 266160^2 + 77733^2 .

It is not a de Polignac number, because 76883564889 - 2⁴ = 76883564873 is a prime.

It is a super-2 number, since 2×76883564889² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76883564089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 520299 + ... + 651519.

Almost surely, 2^76883564889 is an apocalyptic number.

It is an amenable number.

76883564889 is a deficient number, since it is larger than the sum of its proper divisors (34173025483).

76883564889 is a wasteful number, since it uses less digits than its factorization.

76883564889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196328 (or 196325 counting only the distinct ones).

The product of its digits is 557383680, while the sum is 72.

The spelling of 76883564889 in words is "seventy-six billion, eight hundred eighty-three million, five hundred sixty-four thousand, eight hundred eighty-nine".