87774930 has 24 divisors (see below), whose sum is σ = 228215052. Its totient is φ = 23406624.

The previous prime is 87774917. The next prime is 87774983. The reversal of 87774930 is 3947778.

It can be written as a sum of positive squares in 2 ways, for example, as 87216921 + 558009 = 9339^2 + 747^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 487549 + ... + 487728.

Almost surely, 2^87774930 is an apocalyptic number.

87774930 is an abundant number, since it is smaller than the sum of its proper divisors (140440122).

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

87774930 is a wasteful number, since it uses less digits than its factorization.

87774930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975290 (or 975287 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 87774930 is about 9368.8275680578. The cubic root of 87774930 is about 444.4164889129.

The spelling of 87774930 in words is "eighty-seven million, seven hundred seventy-four thousand, nine hundred thirty".