87782316 has 24 divisors (see below), whose sum is σ = 205974720. Its totient is φ = 29096592.

The previous prime is 87782293. The next prime is 87782327. The reversal of 87782316 is 61328778.

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, 18286 + ... + 22581.

It is an arithmetic number, because the mean of its divisors is an integer number (8582280).

Almost surely, 2^87782316 is an apocalyptic number.

It is an amenable number.

87782316 is an abundant number, since it is smaller than the sum of its proper divisors (118192404).

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

87782316 is a wasteful number, since it uses less digits than its factorization.

87782316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41053 (or 41051 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 87782316 is about 9369.2217392908. The cubic root of 87782316 is about 444.4289540064.

The spelling of 87782316 in words is "eighty-seven million, seven hundred eighty-two thousand, three hundred sixteen".