7901686848 has 112 divisors (see below), whose sum is σ = 23423782464. Its totient is φ = 2329712640.

The previous prime is 7901686801. The next prime is 7901686867. The reversal of 7901686848 is 8486861097.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27586 + ... + 128702.

Almost surely, 2^7901686848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7901686848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11711891232).

7901686848 is an abundant number, since it is smaller than the sum of its proper divisors (15522095616).

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

7901686848 is a wasteful number, since it uses less digits than its factorization.

7901686848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101180 (or 101170 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The square root of 7901686848 is about 88891.4329280387. The cubic root of 7901686848 is about 1991.7734456301.

The spelling of 7901686848 in words is "seven billion, nine hundred one million, six hundred eighty-six thousand, eight hundred forty-eight".