79540798 has 16 divisors (see below), whose sum is σ = 122791680. Its totient is φ = 38621016.

The previous prime is 79540789. The next prime is 79540837. The reversal of 79540798 is 89704597.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12811 + ... + 17977.

It is an arithmetic number, because the mean of its divisors is an integer number (7674480).

Almost surely, 2^79540798 is an apocalyptic number.

79540798 is a deficient number, since it is larger than the sum of its proper divisors (43250882).

79540798 is a wasteful number, since it uses less digits than its factorization.

79540798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5391.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 79540798 is about 8918.5647948535. The cubic root of 79540798 is about 430.0609216009.

The spelling of 79540798 in words is "seventy-nine million, five hundred forty thousand, seven hundred ninety-eight".