78507201272130 has 64 divisors (see below), whose sum is σ = 209353581895680. Its totient is φ = 20935149155712.

The previous prime is 78507201272117. The next prime is 78507201272221. The reversal of 78507201272130 is 3127210270587.

78507201272130 is a `hidden beast` number, since 7 + 8 + 507 + 2 + 0 + 1 + 2 + 7 + 2 + 130 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64187967 + ... + 65399613.

It is an arithmetic number, because the mean of its divisors is an integer number (3271149717120).

Almost surely, 2^{78507201272130} is an apocalyptic number.

78507201272130 is an abundant number, since it is smaller than the sum of its proper divisors (130846380623550).

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

78507201272130 is a wasteful number, since it uses less digits than its factorization.

78507201272130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451640 (or 1451634 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The spelling of 78507201272130 in words is "seventy-eight trillion, five hundred seven billion, two hundred one million, two hundred seventy-two thousand, one hundred thirty".