79377285 has 32 divisors (see below), whose sum is σ = 137225088. Its totient is φ = 38949120.

The previous prime is 79377283. The next prime is 79377289. The reversal of 79377285 is 58277397.

It is not a de Polignac number, because 79377285 - 2¹ = 79377283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79377281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89454 + ... + 90336.

It is an arithmetic number, because the mean of its divisors is an integer number (4288284).

Almost surely, 2^79377285 is an apocalyptic number.

It is an amenable number.

79377285 is a deficient number, since it is larger than the sum of its proper divisors (57847803).

79377285 is a wasteful number, since it uses less digits than its factorization.

79377285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365.

The product of its digits is 740880, while the sum is 48.

The square root of 79377285 is about 8909.3930769722. The cubic root of 79377285 is about 429.7660255868.

The spelling of 79377285 in words is "seventy-nine million, three hundred seventy-seven thousand, two hundred eighty-five".