87814152 has 32 divisors (see below), whose sum is σ = 243928800. Its totient is φ = 29271312.

The previous prime is 87814121. The next prime is 87814159. The reversal of 87814152 is 25141878.

It is a super-2 number, since 2×87814152² = 15422650582958208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (87814159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203058 + ... + 203489.

It is an arithmetic number, because the mean of its divisors is an integer number (7622775).

Almost surely, 2^87814152 is an apocalyptic number.

It is an amenable number.

87814152 is an abundant number, since it is smaller than the sum of its proper divisors (156114648).

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

87814152 is a wasteful number, since it uses less digits than its factorization.

87814152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406562 (or 406552 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 87814152 is about 9370.9205524324. The cubic root of 87814152 is about 444.4826745077.

The spelling of 87814152 in words is "eighty-seven million, eight hundred fourteen thousand, one hundred fifty-two".