87997700 has 36 divisors (see below), whose sum is σ = 218236032. Its totient is φ = 30170400.

The previous prime is 87997699. The next prime is 87997709. The reversal of 87997700 is 779978.

It is not an unprimeable number, because it can be changed into a prime (87997709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62156 + ... + 63555.

It is an arithmetic number, because the mean of its divisors is an integer number (6062112).

Almost surely, 2^87997700 is an apocalyptic number.

It is an amenable number.

87997700 is an abundant number, since it is smaller than the sum of its proper divisors (130238332).

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

87997700 is a wasteful number, since it uses less digits than its factorization.

87997700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125732 (or 125725 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 47.

The square root of 87997700 is about 9380.7089284339. The cubic root of 87997700 is about 444.7921429633.

The spelling of 87997700 in words is "eighty-seven million, nine hundred ninety-seven thousand, seven hundred".