87442700 has 18 divisors (see below), whose sum is σ = 189750876. Its totient is φ = 34977040.

The previous prime is 87442673. The next prime is 87442717. The reversal of 87442700 is 724478.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 437114 + ... + 437313.

Almost surely, 2^87442700 is an apocalyptic number.

It is an amenable number.

87442700 is an abundant number, since it is smaller than the sum of its proper divisors (102308176).

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

87442700 is a wasteful number, since it uses less digits than its factorization.

87442700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874441 (or 874434 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 87442700 is about 9351.0801515119. The cubic root of 87442700 is about 443.8550713303.

The spelling of 87442700 in words is "eighty-seven million, four hundred forty-two thousand, seven hundred".