87879726 has 24 divisors (see below), whose sum is σ = 207716184. Its totient is φ = 26630160.

The previous prime is 87879721. The next prime is 87879763. The reversal of 87879726 is 62797878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87879721) 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, 221721 + ... + 222116.

It is an arithmetic number, because the mean of its divisors is an integer number (8654841).

Almost surely, 2^87879726 is an apocalyptic number.

87879726 is an abundant number, since it is smaller than the sum of its proper divisors (119836458).

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

87879726 is a wasteful number, since it uses less digits than its factorization.

87879726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443856 (or 443853 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 54.

The square root of 87879726 is about 9374.4187019783. The cubic root of 87879726 is about 444.5932840710.

The spelling of 87879726 in words is "eighty-seven million, eight hundred seventy-nine thousand, seven hundred twenty-six".