78805079562 has 32 divisors (see below), whose sum is σ = 172083377664. Its totient is φ = 23860185200.

The previous prime is 78805079533. The next prime is 78805079579. The reversal of 78805079562 is 26597050887.

It is a happy number.

It is a super-2 number, since 2×78805079562² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424614 + ... + 581297.

It is an arithmetic number, because the mean of its divisors is an integer number (5377605552).

Almost surely, 2^78805079562 is an apocalyptic number.

78805079562 is an abundant number, since it is smaller than the sum of its proper divisors (93278298102).

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

78805079562 is a wasteful number, since it uses less digits than its factorization.

78805079562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007114.

The product of its (nonzero) digits is 8467200, while the sum is 57.

The spelling of 78805079562 in words is "seventy-eight billion, eight hundred five million, seventy-nine thousand, five hundred sixty-two".