79312078450 has 24 divisors (see below), whose sum is σ = 160931418480. Its totient is φ = 28840755600.

The previous prime is 79312078397. The next prime is 79312078501. The reversal of 79312078450 is 5487021397.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 79312078450.

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, 72101340 + ... + 72102439.

It is an arithmetic number, because the mean of its divisors is an integer number (6705475770).

Almost surely, 2^79312078450 is an apocalyptic number.

79312078450 is an abundant number, since it is smaller than the sum of its proper divisors (81619340030).

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

79312078450 is a wasteful number, since it uses less digits than its factorization.

79312078450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144203802 (or 144203797 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 79312078450 in words is "seventy-nine billion, three hundred twelve million, seventy-eight thousand, four hundred fifty".