87872152 has 8 divisors (see below), whose sum is σ = 164760300. Its totient is φ = 43936072.

The previous prime is 87872149. The next prime is 87872153. The reversal of 87872152 is 25127878.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×87872152² = 15443030194222208, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87872153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5492002 + ... + 5492017.

Almost surely, 2^87872152 is an apocalyptic number.

It is an amenable number.

87872152 is a deficient number, since it is larger than the sum of its proper divisors (76888148).

87872152 is a wasteful number, since it uses less digits than its factorization.

87872152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10984025 (or 10984021 counting only the distinct ones).

The product of its digits is 62720, while the sum is 40.

The square root of 87872152 is about 9374.0147215587. The cubic root of 87872152 is about 444.5805111352.

The spelling of 87872152 in words is "eighty-seven million, eight hundred seventy-two thousand, one hundred fifty-two".