76865856867 has 24 divisors (see below), whose sum is σ = 114051921984. Its totient is φ = 49849012224.

The previous prime is 76865856841. The next prime is 76865856869.

76865856867 is a `hidden beast` number, since 7 + 6 + 8 + 6 + 58 + 568 + 6 + 7 = 666.

76865856867 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 76865856867 - 2²⁴ = 76849079651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76865856795 and 76865856804.

It is not an unprimeable number, because it can be changed into a prime (76865856869) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1892323 + ... + 1932515.

It is an arithmetic number, because the mean of its divisors is an integer number (4752163416).

Almost surely, 2^76865856867 is an apocalyptic number.

76865856867 is a deficient number, since it is larger than the sum of its proper divisors (37186065117).

76865856867 is a wasteful number, since it uses less digits than its factorization.

76865856867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45979 (or 45976 counting only the distinct ones).

The product of its digits is 812851200, while the sum is 72.

The spelling of 76865856867 in words is "seventy-six billion, eight hundred sixty-five million, eight hundred fifty-six thousand, eight hundred sixty-seven".