78913126270 has 64 divisors (see below), whose sum is σ = 161797409280. Its totient is φ = 27430480000.

The previous prime is 78913126241. The next prime is 78913126291. The reversal of 78913126270 is 7262131987.

It is a super-2 number, since 2×78913126270² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 78913126270.

It is a congruent number.

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, 4314645 + ... + 4332895.

It is an arithmetic number, because the mean of its divisors is an integer number (2528084520).

Almost surely, 2^78913126270 is an apocalyptic number.

78913126270 is an abundant number, since it is smaller than the sum of its proper divisors (82884283010).

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

78913126270 is a wasteful number, since it uses less digits than its factorization.

78913126270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20001.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 78913126270 in words is "seventy-eight billion, nine hundred thirteen million, one hundred twenty-six thousand, two hundred seventy".