79157760 has 160 divisors (see below), whose sum is σ = 276357312. Its totient is φ = 19169280.

The previous prime is 79157747. The next prime is 79157777. The reversal of 79157760 is 6775197.

It is a tau number, because it is divible by the number of its divisors (160).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84012 + ... + 84948.

Almost surely, 2^79157760 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79157760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138178656).

79157760 is an abundant number, since it is smaller than the sum of its proper divisors (197199552).

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

79157760 is a wasteful number, since it uses less digits than its factorization.

79157760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 92610, while the sum is 42.

The square root of 79157760 is about 8897.0646844900. The cubic root of 79157760 is about 429.3694743011.

The spelling of 79157760 in words is "seventy-nine million, one hundred fifty-seven thousand, seven hundred sixty".