78626326320 has 160 divisors (see below), whose sum is σ = 276586583040. Its totient is φ = 20520887040.

The previous prime is 78626326307. The next prime is 78626326327. The reversal of 78626326320 is 2362362687.

78626326320 is a `hidden beast` number, since 7 + 8 + 6 + 2 + 6 + 3 + 2 + 632 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (78626326327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285726 + ... + 488765.

It is an arithmetic number, because the mean of its divisors is an integer number (1728666144).

Almost surely, 2^78626326320 is an apocalyptic number.

It is an amenable number.

78626326320 is an abundant number, since it is smaller than the sum of its proper divisors (197960256720).

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

78626326320 is a wasteful number, since it uses less digits than its factorization.

78626326320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774560 (or 774548 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 78626326320 in words is "seventy-eight billion, six hundred twenty-six million, three hundred twenty-six thousand, three hundred twenty".