87745650 has 24 divisors (see below), whose sum is σ = 217609584. Its totient is φ = 23398800.

The previous prime is 87745631. The next prime is 87745681. The reversal of 87745650 is 5654778.

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, 292336 + ... + 292635.

It is an arithmetic number, because the mean of its divisors is an integer number (9067066).

Almost surely, 2^87745650 is an apocalyptic number.

87745650 is an abundant number, since it is smaller than the sum of its proper divisors (129863934).

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

87745650 is a wasteful number, since it uses less digits than its factorization.

87745650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584986 (or 584981 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 87745650 is about 9367.2648088970. The cubic root of 87745650 is about 444.3670672008.

The spelling of 87745650 in words is "eighty-seven million, seven hundred forty-five thousand, six hundred fifty".