7798815672 has 64 divisors (see below), whose sum is σ = 19600457760. Its totient is φ = 2585856000.

The previous prime is 7798815659. The next prime is 7798815679. The reversal of 7798815672 is 2765188977.

It is a super-3 number, since 3×7798815672³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7798815679) 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, 5265172 + ... + 5266652.

Almost surely, 2^7798815672 is an apocalyptic number.

It is an amenable number.

7798815672 is an abundant number, since it is smaller than the sum of its proper divisors (11801642088).

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

7798815672 is a wasteful number, since it uses less digits than its factorization.

7798815672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504 (or 2500 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 60.

The square root of 7798815672 is about 88310.9034717684. The cubic root of 7798815672 is about 1983.0921036520.

The spelling of 7798815672 in words is "seven billion, seven hundred ninety-eight million, eight hundred fifteen thousand, six hundred seventy-two".