7838728896 has 56 divisors (see below), whose sum is σ = 20930301040. Its totient is φ = 2588931072.

The previous prime is 7838728861. The next prime is 7838728897. The reversal of 7838728896 is 6988278387.

It is a super-2 number, since 2×7838728896² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7838728897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166351 + ... + 208206.

Almost surely, 2^7838728896 is an apocalyptic number.

It is an amenable number.

7838728896 is an abundant number, since it is smaller than the sum of its proper divisors (13091572144).

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

7838728896 is a wasteful number, since it uses less digits than its factorization.

7838728896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374681 (or 374671 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 66.

The square root of 7838728896 is about 88536.5963655708. The cubic root of 7838728896 is about 1986.4694093194.

The spelling of 7838728896 in words is "seven billion, eight hundred thirty-eight million, seven hundred twenty-eight thousand, eight hundred ninety-six".