87948884 has 6 divisors (see below), whose sum is σ = 153910554. Its totient is φ = 43974440.

The previous prime is 87948869. The next prime is 87948899. The reversal of 87948884 is 48884978.

It is an interprime number because it is at equal distance from previous prime (87948869) and next prime (87948899).

It can be written as a sum of positive squares in only one way, i.e., 57456400 + 30492484 = 7580^2 + 5522^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 10993607 + ... + 10993614.

It is an arithmetic number, because the mean of its divisors is an integer number (25651759).

Almost surely, 2^87948884 is an apocalyptic number.

It is an amenable number.

87948884 is a deficient number, since it is larger than the sum of its proper divisors (65961670).

87948884 is a wasteful number, since it uses less digits than its factorization.

87948884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21987225 (or 21987223 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 56.

The square root of 87948884 is about 9378.1066319380. The cubic root of 87948884 is about 444.7098794893.

The spelling of 87948884 in words is "eighty-seven million, nine hundred forty-eight thousand, eight hundred eighty-four".