79782027 has 24 divisors (see below), whose sum is σ = 118329264. Its totient is φ = 47758464.

The previous prime is 79781981. The next prime is 79782029. The reversal of 79782027 is 72028797.

It is not a de Polignac number, because 79782027 - 2⁸ = 79781771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79782027.

It is not an unprimeable number, because it can be changed into a prime (79782029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16633 + ... + 20885.

It is an arithmetic number, because the mean of its divisors is an integer number (4930386).

Almost surely, 2^79782027 is an apocalyptic number.

79782027 is a deficient number, since it is larger than the sum of its proper divisors (38547237).

79782027 is a wasteful number, since it uses less digits than its factorization.

79782027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4319 (or 4306 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 79782027 is about 8932.0785374962. The cubic root of 79782027 is about 430.4952415499.

The spelling of 79782027 in words is "seventy-nine million, seven hundred eighty-two thousand, twenty-seven".