79901153 has 4 divisors (see below), whose sum is σ = 80912640. Its totient is φ = 78889668.

The previous prime is 79901141. The next prime is 79901179. The reversal of 79901153 is 35110997.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35110997 = 79 ⋅444443.

It is a cyclic number.

It is not a de Polignac number, because 79901153 - 2¹⁶ = 79835617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79901113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505625 + ... + 505782.

It is an arithmetic number, because the mean of its divisors is an integer number (20228160).

Almost surely, 2^79901153 is an apocalyptic number.

It is an amenable number.

79901153 is a deficient number, since it is larger than the sum of its proper divisors (1011487).

79901153 is a wasteful number, since it uses less digits than its factorization.

79901153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011486.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 79901153 is about 8938.7444867834. The cubic root of 79901153 is about 430.7093986930.

The spelling of 79901153 in words is "seventy-nine million, nine hundred one thousand, one hundred fifty-three".