79658487 has 12 divisors (see below), whose sum is σ = 115141624. Its totient is φ = 53069040.

The previous prime is 79658477. The next prime is 79658519. The reversal of 79658487 is 78485697.

It is not a de Polignac number, because 79658487 - 2¹² = 79654391 is a prime.

It is a super-2 number, since 2×79658487² = 12690949102258338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79658477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19473 + ... + 23205.

Almost surely, 2^79658487 is an apocalyptic number.

79658487 is a deficient number, since it is larger than the sum of its proper divisors (35483137).

79658487 is a wasteful number, since it uses less digits than its factorization.

79658487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110 (or 6107 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 79658487 is about 8925.1603346943. The cubic root of 79658487 is about 430.2729239063.

The spelling of 79658487 in words is "seventy-nine million, six hundred fifty-eight thousand, four hundred eighty-seven".