87784968 has 32 divisors (see below), whose sum is σ = 222557760. Its totient is φ = 28848960.

The previous prime is 87784933. The next prime is 87784993. The reversal of 87784968 is 86948778.

It is a super-2 number, since 2×87784968² = 15412401213522048, which contains 22 as substring.

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, 24055 + ... + 27462.

It is an arithmetic number, because the mean of its divisors is an integer number (6954930).

Almost surely, 2^87784968 is an apocalyptic number.

It is an amenable number.

87784968 is an abundant number, since it is smaller than the sum of its proper divisors (134772792).

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

87784968 is a wasteful number, since it uses less digits than its factorization.

87784968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51597 (or 51593 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 57.

The square root of 87784968 is about 9369.3632654519. The cubic root of 87784968 is about 444.4334295233.

The spelling of 87784968 in words is "eighty-seven million, seven hundred eighty-four thousand, nine hundred sixty-eight".