79601551 has 8 divisors (see below), whose sum is σ = 83251584. Its totient is φ = 75967320.

The previous prime is 79601527. The next prime is 79601563. The reversal of 79601551 is 15510697.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79601551 - 2⁵ = 79601519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79601591) 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, 7036 + ... + 14446.

It is an arithmetic number, because the mean of its divisors is an integer number (10406448).

Almost surely, 2^79601551 is an apocalyptic number.

79601551 is a deficient number, since it is larger than the sum of its proper divisors (3650033).

79601551 is a wasteful number, since it uses less digits than its factorization.

79601551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7901.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 79601551 is about 8921.9701299657. The cubic root of 79601551 is about 430.1703867752.

The spelling of 79601551 in words is "seventy-nine million, six hundred one thousand, five hundred fifty-one".