87879560 has 32 divisors (see below), whose sum is σ = 208137600. Its totient is φ = 33301440.

The previous prime is 87879559. The next prime is 87879563. The reversal of 87879560 is 6597878.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 87879499 and 87879508.

It is not an unprimeable number, because it can be changed into a prime (87879563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57056 + ... + 58575.

It is an arithmetic number, because the mean of its divisors is an integer number (6504300).

Almost surely, 2^87879560 is an apocalyptic number.

It is an amenable number.

87879560 is an abundant number, since it is smaller than the sum of its proper divisors (120258040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87879560 is a wasteful number, since it uses less digits than its factorization.

87879560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115661 (or 115657 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 87879560 is about 9374.4098480918. The cubic root of 87879560 is about 444.5930041333.

The spelling of 87879560 in words is "eighty-seven million, eight hundred seventy-nine thousand, five hundred sixty".