87463872 has 42 divisors (see below), whose sum is σ = 250701048. Its totient is φ = 29154432.

The previous prime is 87463843. The next prime is 87463907. The reversal of 87463872 is 27836478.

It is a happy number.

87463872 is a `hidden beast` number, since 8 + 7 + 4 + 638 + 7 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 75348 + ... + 76499.

Almost surely, 2^87463872 is an apocalyptic number.

It is an amenable number.

87463872 is an abundant number, since it is smaller than the sum of its proper divisors (163237176).

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

87463872 is a wasteful number, since it uses less digits than its factorization.

87463872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151865 (or 151852 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 87463872 is about 9352.2121447281. The cubic root of 87463872 is about 443.8908911347.

It can be divided in two parts, 874 and 63872, that added together give a palindrome (64746).

The spelling of 87463872 in words is "eighty-seven million, four hundred sixty-three thousand, eight hundred seventy-two".