79878153 has 16 divisors (see below), whose sum is σ = 111245760. Its totient is φ = 50930496.

The previous prime is 79878131. The next prime is 79878163. The reversal of 79878153 is 35187897.

It is not a de Polignac number, because 79878153 - 2¹² = 79874057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79878163) 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, 451 + ... + 12647.

It is an arithmetic number, because the mean of its divisors is an integer number (6952860).

Almost surely, 2^79878153 is an apocalyptic number.

It is an amenable number.

79878153 is a deficient number, since it is larger than the sum of its proper divisors (31367607).

79878153 is a wasteful number, since it uses less digits than its factorization.

79878153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12296.

The product of its digits is 423360, while the sum is 48.

The square root of 79878153 is about 8937.4578600405. The cubic root of 79878153 is about 430.6680673460.

The spelling of 79878153 in words is "seventy-nine million, eight hundred seventy-eight thousand, one hundred fifty-three".