79371917440550 has 48 divisors (see below), whose sum is σ = 168732193281792. Its totient is φ = 27211587789600.

The previous prime is 79371917440549. The next prime is 79371917440583. The reversal of 79371917440550 is 5504471917397.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1018346 + ... + 12640445.

It is an arithmetic number, because the mean of its divisors is an integer number (3515254026704).

Almost surely, 2^{79371917440550} is an apocalyptic number.

79371917440550 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

79371917440550 is an abundant number, since it is smaller than the sum of its proper divisors (89360275841242).

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

79371917440550 is a wasteful number, since it uses less digits than its factorization.

79371917440550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13675413 (or 13675408 counting only the distinct ones).

The product of its (nonzero) digits is 33339600, while the sum is 62.

The spelling of 79371917440550 in words is "seventy-nine trillion, three hundred seventy-one billion, nine hundred seventeen million, four hundred forty thousand, five hundred fifty".