79315287 has 8 divisors (see below), whose sum is σ = 106942320. Its totient is φ = 52282560.

The previous prime is 79315259. The next prime is 79315351. The reversal of 79315287 is 78251397.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79315287 - 2⁸ = 79315031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79315237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148264 + ... + 148797.

It is an arithmetic number, because the mean of its divisors is an integer number (13367790).

Almost surely, 2^79315287 is an apocalyptic number.

79315287 is a deficient number, since it is larger than the sum of its proper divisors (27627033).

79315287 is a wasteful number, since it uses less digits than its factorization.

79315287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297153.

The product of its digits is 105840, while the sum is 42.

The square root of 79315287 is about 8905.9130357308. The cubic root of 79315287 is about 429.6541061881.

The spelling of 79315287 in words is "seventy-nine million, three hundred fifteen thousand, two hundred eighty-seven".