87877320 has 32 divisors (see below), whose sum is σ = 263632320. Its totient is φ = 23433920.

The previous prime is 87877313. The next prime is 87877351. The reversal of 87877320 is 2377878.

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, 366036 + ... + 366275.

It is an arithmetic number, because the mean of its divisors is an integer number (8238510).

Almost surely, 2^87877320 is an apocalyptic number.

It is an amenable number.

87877320 is an abundant number, since it is smaller than the sum of its proper divisors (175755000).

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

87877320 is a wasteful number, since it uses less digits than its factorization.

87877320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732325 (or 732321 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The square root of 87877320 is about 9374.2903731429. The cubic root of 87877320 is about 444.5892266269.

The spelling of 87877320 in words is "eighty-seven million, eight hundred seventy-seven thousand, three hundred twenty".