79825170 has 16 divisors (see below), whose sum is σ = 191580480. Its totient is φ = 21286704.

The previous prime is 79825147. The next prime is 79825177. The reversal of 79825170 is 7152897.

It is not an unprimeable number, because it can be changed into a prime (79825177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330390 + ... + 1330449.

It is an arithmetic number, because the mean of its divisors is an integer number (11973780).

Almost surely, 2^79825170 is an apocalyptic number.

79825170 is an abundant number, since it is smaller than the sum of its proper divisors (111755310).

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

79825170 is a wasteful number, since it uses less digits than its factorization.

79825170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660849.

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 79825170 is about 8934.4932704659. The cubic root of 79825170 is about 430.5728258968.

The spelling of 79825170 in words is "seventy-nine million, eight hundred twenty-five thousand, one hundred seventy".