79639059 has 16 divisors (see below), whose sum is σ = 109872288. Its totient is φ = 51270912.

The previous prime is 79639057. The next prime is 79639129. The reversal of 79639059 is 95093697.

It is a happy number.

It is not a de Polignac number, because 79639059 - 2¹ = 79639057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79638999 and 79639017.

It is not an unprimeable number, because it can be changed into a prime (79639057) 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, 12589 + ... + 17825.

It is an arithmetic number, because the mean of its divisors is an integer number (6867018).

Almost surely, 2^79639059 is an apocalyptic number.

79639059 is a deficient number, since it is larger than the sum of its proper divisors (30233229).

79639059 is a wasteful number, since it uses less digits than its factorization.

79639059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5414.

The product of its (nonzero) digits is 459270, while the sum is 48.

The square root of 79639059 is about 8924.0718845155. The cubic root of 79639059 is about 430.2379411428.

The spelling of 79639059 in words is "seventy-nine million, six hundred thirty-nine thousand, fifty-nine".