7638078912 has 56 divisors (see below), whose sum is σ = 20354544000. Its totient is φ = 2527700736.

The previous prime is 7638078893. The next prime is 7638078953. The reversal of 7638078912 is 2198708367.

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, 116412 + ... + 169787.

It is an arithmetic number, because the mean of its divisors is an integer number (363474000).

Almost surely, 2^7638078912 is an apocalyptic number.

It is an amenable number.

7638078912 is an abundant number, since it is smaller than the sum of its proper divisors (12716465088).

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

7638078912 is a wasteful number, since it uses less digits than its factorization.

7638078912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286353 (or 286343 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 7638078912 is about 87396.1035287043. The cubic root of 7638078912 is about 1969.3733061164.

The spelling of 7638078912 in words is "seven billion, six hundred thirty-eight million, seventy-eight thousand, nine hundred twelve".