87710979 has 8 divisors (see below), whose sum is σ = 120108880. Its totient is φ = 56893536.

The previous prime is 87710963. The next prime is 87710999. The reversal of 87710979 is 97901778.

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

It is not a de Polignac number, because 87710979 - 2⁴ = 87710963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87710929) 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, 394984 + ... + 395205.

It is an arithmetic number, because the mean of its divisors is an integer number (15013610).

Almost surely, 2^87710979 is an apocalyptic number.

87710979 is a deficient number, since it is larger than the sum of its proper divisors (32397901).

87710979 is a wasteful number, since it uses less digits than its factorization.

87710979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790229.

The product of its (nonzero) digits is 222264, while the sum is 48.

The square root of 87710979 is about 9365.4139791042. The cubic root of 87710979 is about 444.3085318005.

The spelling of 87710979 in words is "eighty-seven million, seven hundred ten thousand, nine hundred seventy-nine".