87886380 has 24 divisors (see below), whose sum is σ = 246082032. Its totient is φ = 23436352.

The previous prime is 87886369. The next prime is 87886399. The reversal of 87886380 is 8368878.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732327 + ... + 732446.

It is an arithmetic number, because the mean of its divisors is an integer number (10253418).

Almost surely, 2^87886380 is an apocalyptic number.

It is an amenable number.

87886380 is an abundant number, since it is smaller than the sum of its proper divisors (158195652).

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

87886380 is a wasteful number, since it uses less digits than its factorization.

87886380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464785 (or 1464783 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 87886380 is about 9374.7735972662. The cubic root of 87886380 is about 444.6045048958.

The spelling of 87886380 in words is "eighty-seven million, eight hundred eighty-six thousand, three hundred eighty".