79401655 has 8 divisors (see below), whose sum is σ = 96225984. Its totient is φ = 62892000.

The previous prime is 79401613. The next prime is 79401671. The reversal of 79401655 is 55610497.

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

It is not a de Polignac number, because 79401655 - 2⁹ = 79401143 is a prime.

It is a Duffinian 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, 78111 + ... + 79120.

It is an arithmetic number, because the mean of its divisors is an integer number (12028248).

Almost surely, 2^79401655 is an apocalyptic number.

79401655 is a deficient number, since it is larger than the sum of its proper divisors (16824329).

79401655 is a wasteful number, since it uses less digits than its factorization.

79401655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157337.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 79401655 is about 8910.7606297106. The cubic root of 79401655 is about 429.8100025944.

The spelling of 79401655 in words is "seventy-nine million, four hundred one thousand, six hundred fifty-five".