87874220 has 24 divisors (see below), whose sum is σ = 210898464. Its totient is φ = 30128256.

The previous prime is 87874219. The next prime is 87874229. The reversal of 87874220 is 2247878.

It is not an unprimeable number, because it can be changed into a prime (87874229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313697 + ... + 313976.

It is an arithmetic number, because the mean of its divisors is an integer number (8787436).

Almost surely, 2^87874220 is an apocalyptic number.

It is an amenable number.

87874220 is an abundant number, since it is smaller than the sum of its proper divisors (123024244).

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

87874220 is a wasteful number, since it uses less digits than its factorization.

87874220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627689 (or 627687 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 87874220 is about 9374.1250258357. The cubic root of 87874220 is about 444.5839987221.

The spelling of 87874220 in words is "eighty-seven million, eight hundred seventy-four thousand, two hundred twenty".