79930487 has 16 divisors (see below), whose sum is σ = 98586432. Its totient is φ = 63106560.

The previous prime is 79930469. The next prime is 79930489. The reversal of 79930487 is 78403997.

It is a cyclic number.

It is not a de Polignac number, because 79930487 - 2¹⁴ = 79914103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79930489) 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, 79673 + ... + 80669.

It is an arithmetic number, because the mean of its divisors is an integer number (6161652).

Almost surely, 2^79930487 is an apocalyptic number.

79930487 is a deficient number, since it is larger than the sum of its proper divisors (18655945).

79930487 is a wasteful number, since it uses less digits than its factorization.

79930487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 79930487 is about 8940.3851706736. The cubic root of 79930487 is about 430.7621008264.

The spelling of 79930487 in words is "seventy-nine million, nine hundred thirty thousand, four hundred eighty-seven".