79869501 has 12 divisors (see below), whose sum is σ = 120383328. Its totient is φ = 50931144.

The previous prime is 79869481. The next prime is 79869523. The reversal of 79869501 is 10596897.

It is not a de Polignac number, because 79869501 - 2⁵ = 79869469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79869541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192715 + ... + 193128.

It is an arithmetic number, because the mean of its divisors is an integer number (10031944).

Almost surely, 2^79869501 is an apocalyptic number.

It is an amenable number.

79869501 is a deficient number, since it is larger than the sum of its proper divisors (40513827).

79869501 is a wasteful number, since it uses less digits than its factorization.

79869501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385872 (or 385869 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 79869501 is about 8936.9738166787. The cubic root of 79869501 is about 430.6525175178.

The spelling of 79869501 in words is "seventy-nine million, eight hundred sixty-nine thousand, five hundred one".