7868504544 has 48 divisors (see below), whose sum is σ = 20855382912. Its totient is φ = 2597367168.

The previous prime is 7868504531. The next prime is 7868504557. The reversal of 7868504544 is 4454058687.

It is an interprime number because it is at equal distance from previous prime (7868504531) and next prime (7868504557).

It is a tau number, because it is divible by the number of its divisors (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, 387994 + ... + 407769.

It is an arithmetic number, because the mean of its divisors is an integer number (434487144).

Almost surely, 2^7868504544 is an apocalyptic number.

It is an amenable number.

7868504544 is an abundant number, since it is smaller than the sum of its proper divisors (12986878368).

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

7868504544 is a wasteful number, since it uses less digits than its factorization.

7868504544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795879 (or 795871 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 51.

The square root of 7868504544 is about 88704.5914482447. The cubic root of 7868504544 is about 1988.9814526188.

The spelling of 7868504544 in words is "seven billion, eight hundred sixty-eight million, five hundred four thousand, five hundred forty-four".