87420882 has 16 divisors (see below), whose sum is σ = 175224960. Its totient is φ = 29076432.

The previous prime is 87420871. The next prime is 87420911. The reversal of 87420882 is 28802478.

It is a self number, because there is not a number n which added to its sum of digits gives 87420882.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12957 + ... + 18512.

It is an arithmetic number, because the mean of its divisors is an integer number (10951560).

Almost surely, 2^87420882 is an apocalyptic number.

87420882 is an abundant number, since it is smaller than the sum of its proper divisors (87804078).

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

87420882 is a wasteful number, since it uses less digits than its factorization.

87420882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31937.

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 87420882 is about 9349.9134755355. The cubic root of 87420882 is about 443.8181525424.

The spelling of 87420882 in words is "eighty-seven million, four hundred twenty thousand, eight hundred eighty-two".