78802796508 has 48 divisors (see below), whose sum is σ = 187608366624. Its totient is φ = 25739366400.

The previous prime is 78802796467. The next prime is 78802796509. The reversal of 78802796508 is 80569720887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78802796509) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 217585 + ... + 452712.

It is an arithmetic number, because the mean of its divisors is an integer number (3908507638).

Almost surely, 2^78802796508 is an apocalyptic number.

It is an amenable number.

78802796508 is an abundant number, since it is smaller than the sum of its proper divisors (108805570116).

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

78802796508 is a wasteful number, since it uses less digits than its factorization.

78802796508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670502 (or 670500 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 60.

The spelling of 78802796508 in words is "seventy-eight billion, eight hundred two million, seven hundred ninety-six thousand, five hundred eight".