786379635820 has 24 divisors (see below), whose sum is σ = 1651430078928. Its totient is φ = 314545598400.

The previous prime is 786379635809. The next prime is 786379635859. The reversal of 786379635820 is 28536973687.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716230 + ... + 1444210.

It is an arithmetic number, because the mean of its divisors is an integer number (68809586622).

Almost surely, 2^786379635820 is an apocalyptic number.

It is an amenable number.

786379635820 is an abundant number, since it is smaller than the sum of its proper divisors (865050443108).

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

786379635820 is a wasteful number, since it uses less digits than its factorization.

786379635820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782001 (or 781999 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 64.

The spelling of 786379635820 in words is "seven hundred eighty-six billion, three hundred seventy-nine million, six hundred thirty-five thousand, eight hundred twenty".