87743856 has 40 divisors (see below), whose sum is σ = 230520960. Its totient is φ = 28751296.

The previous prime is 87743833. The next prime is 87743861. The reversal of 87743856 is 65834778.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12660 + ... + 18323.

It is an arithmetic number, because the mean of its divisors is an integer number (5763024).

Almost surely, 2^87743856 is an apocalyptic number.

It is an amenable number.

87743856 is an abundant number, since it is smaller than the sum of its proper divisors (142777104).

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

87743856 is a wasteful number, since it uses less digits than its factorization.

87743856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31053 (or 31047 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 87743856 is about 9367.1690493980. The cubic root of 87743856 is about 444.3640387508.

The spelling of 87743856 in words is "eighty-seven million, seven hundred forty-three thousand, eight hundred fifty-six".