78296708826 has 24 divisors (see below), whose sum is σ = 193877565024. Its totient is φ = 22370488200.

The previous prime is 78296708807. The next prime is 78296708849. The reversal of 78296708826 is 62880769287.

It is a super-2 number, since 2×78296708826² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310701100 + ... + 310701351.

It is an arithmetic number, because the mean of its divisors is an integer number (8078231876).

Almost surely, 2^78296708826 is an apocalyptic number.

78296708826 is an abundant number, since it is smaller than the sum of its proper divisors (115580856198).

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

78296708826 is a wasteful number, since it uses less digits than its factorization.

78296708826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621402466 (or 621402463 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The spelling of 78296708826 in words is "seventy-eight billion, two hundred ninety-six million, seven hundred eight thousand, eight hundred twenty-six".