87774456 has 64 divisors (see below), whose sum is σ = 273588480. Its totient is φ = 22798080.

The previous prime is 87774419. The next prime is 87774457. The reversal of 87774456 is 65447778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87774457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21901 + ... + 25596.

It is an arithmetic number, because the mean of its divisors is an integer number (4274820).

Almost surely, 2^87774456 is an apocalyptic number.

It is an amenable number.

87774456 is an abundant number, since it is smaller than the sum of its proper divisors (185814024).

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

87774456 is a wasteful number, since it uses less digits than its factorization.

87774456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47524 (or 47520 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 48.

The square root of 87774456 is about 9368.8022713685. The cubic root of 87774456 is about 444.4156889359.

The spelling of 87774456 in words is "eighty-seven million, seven hundred seventy-four thousand, four hundred fifty-six".