79429155 has 24 divisors (see below), whose sum is σ = 137618928. Its totient is φ = 39102336.

The previous prime is 79429081. The next prime is 79429157. The reversal of 79429155 is 55192497.

It is not a de Polignac number, because 79429155 - 2¹⁴ = 79412771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79429157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13132 + ... + 18201.

It is an arithmetic number, because the mean of its divisors is an integer number (5734122).

Almost surely, 2^79429155 is an apocalyptic number.

79429155 is a deficient number, since it is larger than the sum of its proper divisors (58189773).

79429155 is a wasteful number, since it uses less digits than its factorization.

79429155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31367 (or 31354 counting only the distinct ones).

The product of its digits is 113400, while the sum is 42.

The square root of 79429155 is about 8912.3035742730. The cubic root of 79429155 is about 429.8596170547.

The spelling of 79429155 in words is "seventy-nine million, four hundred twenty-nine thousand, one hundred fifty-five".