79658993 has 8 divisors (see below), whose sum is σ = 80409216. Its totient is φ = 78912000.

The previous prime is 79658989. The next prime is 79659017. The reversal of 79658993 is 39985697.

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 79658993 - 2² = 79658989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79658903) 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, 96380 + ... + 97202.

It is an arithmetic number, because the mean of its divisors is an integer number (10051152).

Almost surely, 2^79658993 is an apocalyptic number.

It is an amenable number.

79658993 is a deficient number, since it is larger than the sum of its proper divisors (750223).

79658993 is a wasteful number, since it uses less digits than its factorization.

79658993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615.

The product of its digits is 3674160, while the sum is 56.

The square root of 79658993 is about 8925.1886814790. The cubic root of 79658993 is about 430.2738349523.

The spelling of 79658993 in words is "seventy-nine million, six hundred fifty-eight thousand, nine hundred ninety-three".