79869153 has 16 divisors (see below), whose sum is σ = 131067776. Its totient is φ = 42128640.

The previous prime is 79869143. The next prime is 79869169. The reversal of 79869153 is 35196897.

It is not a de Polignac number, because 79869153 - 2⁶ = 79869089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79869143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146008 + ... + 146553.

It is an arithmetic number, because the mean of its divisors is an integer number (8191736).

Almost surely, 2^79869153 is an apocalyptic number.

It is an amenable number.

79869153 is a deficient number, since it is larger than the sum of its proper divisors (51198623).

79869153 is a wasteful number, since it uses less digits than its factorization.

79869153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292584.

The product of its digits is 408240, while the sum is 48.

The square root of 79869153 is about 8936.9543469797. The cubic root of 79869153 is about 430.6518920504.

The spelling of 79869153 in words is "seventy-nine million, eight hundred sixty-nine thousand, one hundred fifty-three".