87051650 has 24 divisors (see below), whose sum is σ = 185047680. Its totient is φ = 29846160.

The previous prime is 87051641. The next prime is 87051667. The reversal of 87051650 is 5615078.

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, 124010 + ... + 124709.

It is an arithmetic number, because the mean of its divisors is an integer number (7710320).

Almost surely, 2^87051650 is an apocalyptic number.

87051650 is an abundant number, since it is smaller than the sum of its proper divisors (97996030).

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

87051650 is a wasteful number, since it uses less digits than its factorization.

87051650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248738 (or 248733 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 87051650 is about 9330.1473728982. The cubic root of 87051650 is about 443.1924320292.

The spelling of 87051650 in words is "eighty-seven million, fifty-one thousand, six hundred fifty".