79157653 has 8 divisors (see below), whose sum is σ = 80072960. Its totient is φ = 78246000.

The previous prime is 79157609. The next prime is 79157671. The reversal of 79157653 is 35675197.

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 79157653 - 2²⁵ = 45603221 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 (79187653) 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, 81376 + ... + 82342.

It is an arithmetic number, because the mean of its divisors is an integer number (10009120).

Almost surely, 2^79157653 is an apocalyptic number.

It is an amenable number.

79157653 is a deficient number, since it is larger than the sum of its proper divisors (915307).

79157653 is a wasteful number, since it uses less digits than its factorization.

79157653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827.

The product of its digits is 198450, while the sum is 43.

The square root of 79157653 is about 8897.0586712688. The cubic root of 79157653 is about 429.3692808370.

The spelling of 79157653 in words is "seventy-nine million, one hundred fifty-seven thousand, six hundred fifty-three".