79544380 has 12 divisors (see below), whose sum is σ = 167043240. Its totient is φ = 31817744.

The previous prime is 79544369. The next prime is 79544401. The reversal of 79544380 is 8344597.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1988590 + ... + 1988629.

It is an arithmetic number, because the mean of its divisors is an integer number (13920270).

Almost surely, 2^79544380 is an apocalyptic number.

It is an amenable number.

79544380 is an abundant number, since it is smaller than the sum of its proper divisors (87498860).

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

79544380 is a wasteful number, since it uses less digits than its factorization.

79544380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977228 (or 3977226 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 79544380 is about 8918.7656096570. The cubic root of 79544380 is about 430.0673772192.

The spelling of 79544380 in words is "seventy-nine million, five hundred forty-four thousand, three hundred eighty".