87827970 has 16 divisors (see below), whose sum is σ = 210787200. Its totient is φ = 23420784.

The previous prime is 87827969. The next prime is 87827981. The reversal of 87827970 is 7972878.

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, 1463770 + ... + 1463829.

It is an arithmetic number, because the mean of its divisors is an integer number (13174200).

Almost surely, 2^87827970 is an apocalyptic number.

87827970 is an abundant number, since it is smaller than the sum of its proper divisors (122959230).

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

87827970 is a wasteful number, since it uses less digits than its factorization.

87827970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927609.

The product of its (nonzero) digits is 395136, while the sum is 48.

The square root of 87827970 is about 9371.6578042521. The cubic root of 87827970 is about 444.5059871490.

The spelling of 87827970 in words is "eighty-seven million, eight hundred twenty-seven thousand, nine hundred seventy".