87113478 has 16 divisors (see below), whose sum is σ = 174441456. Its totient is φ = 29002080.

The previous prime is 87113459. The next prime is 87113483. The reversal of 87113478 is 87431178.

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 7 ways as a sum of consecutive naturals, for example, 3393 + ... + 13628.

It is an arithmetic number, because the mean of its divisors is an integer number (10902591).

Almost surely, 2^87113478 is an apocalyptic number.

87113478 is an abundant number, since it is smaller than the sum of its proper divisors (87327978).

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

87113478 is a wasteful number, since it uses less digits than its factorization.

87113478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17879.

The product of its digits is 37632, while the sum is 39.

The square root of 87113478 is about 9333.4601300911. The cubic root of 87113478 is about 443.2973322692.

The spelling of 87113478 in words is "eighty-seven million, one hundred thirteen thousand, four hundred seventy-eight".