87040650 has 48 divisors (see below), whose sum is σ = 221709024. Its totient is φ = 22582080.

The previous prime is 87040633. The next prime is 87040651. The reversal of 87040650 is 5604078.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (87040651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2292 + ... + 13391.

It is an arithmetic number, because the mean of its divisors is an integer number (4618938).

Almost surely, 2^87040650 is an apocalyptic number.

87040650 is an abundant number, since it is smaller than the sum of its proper divisors (134668374).

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

87040650 is a wasteful number, since it uses less digits than its factorization.

87040650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15735 (or 15730 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 87040650 is about 9329.5578673376. The cubic root of 87040650 is about 443.1737637171.

The spelling of 87040650 in words is "eighty-seven million, forty thousand, six hundred fifty".