76870406868 has 72 divisors (see below), whose sum is σ = 187469805600. Its totient is φ = 24508075392.

The previous prime is 76870406843. The next prime is 76870406887. The reversal of 76870406868 is 86860407867.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 929598 + ... + 1008906.

It is an arithmetic number, because the mean of its divisors is an integer number (2603747300).

Almost surely, 2^76870406868 is an apocalyptic number.

It is an amenable number.

76870406868 is an abundant number, since it is smaller than the sum of its proper divisors (110599398732).

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

76870406868 is a wasteful number, since it uses less digits than its factorization.

76870406868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79449 (or 79410 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 60.

Subtracting 76870406868 from its reverse (86860407867), we obtain a palindrome (9990000999).

The spelling of 76870406868 in words is "seventy-six billion, eight hundred seventy million, four hundred six thousand, eight hundred sixty-eight".