78837460620 has 24 divisors (see below), whose sum is σ = 220744889904. Its totient is φ = 21023322816.

The previous prime is 78837460591. The next prime is 78837460633. The reversal of 78837460620 is 2606473887.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656978779 + ... + 656978898.

It is an arithmetic number, because the mean of its divisors is an integer number (9197703746).

Almost surely, 2^78837460620 is an apocalyptic number.

It is an amenable number.

78837460620 is an abundant number, since it is smaller than the sum of its proper divisors (141907429284).

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

78837460620 is a wasteful number, since it uses less digits than its factorization.

78837460620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313957689 (or 1313957687 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 78837460620 in words is "seventy-eight billion, eight hundred thirty-seven million, four hundred sixty thousand, six hundred twenty".