76678118840 has 16 divisors (see below), whose sum is σ = 172525767480. Its totient is φ = 30671247520.

The previous prime is 76678118837. The next prime is 76678118899. The reversal of 76678118840 is 4881187667.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958476446 + ... + 958476525.

Almost surely, 2^76678118840 is an apocalyptic number.

It is an amenable number.

76678118840 is an abundant number, since it is smaller than the sum of its proper divisors (95847648640).

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

76678118840 is a wasteful number, since it uses less digits than its factorization.

76678118840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916952982 (or 1916952978 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 56.

The spelling of 76678118840 in words is "seventy-six billion, six hundred seventy-eight million, one hundred eighteen thousand, eight hundred forty".