79697541 has 16 divisors (see below), whose sum is σ = 132484608. Its totient is φ = 41401200.

The previous prime is 79697521. The next prime is 79697551. The reversal of 79697541 is 14579697.

It is a happy number.

It is not a de Polignac number, because 79697541 - 2⁵ = 79697509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79697521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172275 + ... + 172736.

It is an arithmetic number, because the mean of its divisors is an integer number (8280288).

Almost surely, 2^79697541 is an apocalyptic number.

It is an amenable number.

79697541 is a deficient number, since it is larger than the sum of its proper divisors (52787067).

79697541 is a wasteful number, since it uses less digits than its factorization.

79697541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345032.

The product of its digits is 476280, while the sum is 48.

The square root of 79697541 is about 8927.3479264561. The cubic root of 79697541 is about 430.3432287540.

The spelling of 79697541 in words is "seventy-nine million, six hundred ninety-seven thousand, five hundred forty-one".