7868012800 has 54 divisors (see below), whose sum is σ = 19474576898. Its totient is φ = 3147202560.

The previous prime is 7868012749. The next prime is 7868012813. The reversal of 7868012800 is 82108687.

It can be written as a sum of positive squares in 3 ways, for example, as 211062784 + 7656950016 = 14528^2 + 87504^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 608289 + ... + 621088.

Almost surely, 2^7868012800 is an apocalyptic number.

It is an amenable number.

7868012800 is an abundant number, since it is smaller than the sum of its proper divisors (11606564098).

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

7868012800 is a wasteful number, since it uses less digits than its factorization.

7868012800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229403 (or 1229384 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 7868012800 is about 88701.8195980218. The cubic root of 7868012800 is about 1988.9400178046.

The spelling of 7868012800 in words is "seven billion, eight hundred sixty-eight million, twelve thousand, eight hundred".