7813838704 has 60 divisors (see below), whose sum is σ = 17622559584. Its totient is φ = 3346597632.

The previous prime is 7813838699. The next prime is 7813838731. The reversal of 7813838704 is 4078383187.

It is a super-2 number, since 2×7813838704² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1916412 + ... + 1920484.

Almost surely, 2^7813838704 is an apocalyptic number.

It is an amenable number.

7813838704 is an abundant number, since it is smaller than the sum of its proper divisors (9808720880).

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

7813838704 is a wasteful number, since it uses less digits than its factorization.

7813838704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6542 (or 6529 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 7813838704 is about 88395.9201773476. The cubic root of 7813838704 is about 1984.3646450280.

The spelling of 7813838704 in words is "seven billion, eight hundred thirteen million, eight hundred thirty-eight thousand, seven hundred four".