87835980 has 24 divisors (see below), whose sum is σ = 245940912. Its totient is φ = 23422912.

The previous prime is 87835967. The next prime is 87836027. The reversal of 87835980 is 8953878.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731907 + ... + 732026.

It is an arithmetic number, because the mean of its divisors is an integer number (10247538).

Almost surely, 2^87835980 is an apocalyptic number.

It is an amenable number.

87835980 is an abundant number, since it is smaller than the sum of its proper divisors (158104932).

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

87835980 is a wasteful number, since it uses less digits than its factorization.

87835980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463945 (or 1463943 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 87835980 is about 9372.0851468603. The cubic root of 87835980 is about 444.5194998706.

The spelling of 87835980 in words is "eighty-seven million, eight hundred thirty-five thousand, nine hundred eighty".