7813333873808 has 40 divisors (see below), whose sum is σ = 15259825596600. Its totient is φ = 3875439033344.

The previous prime is 7813333873801. The next prime is 7813333873817. The reversal of 7813333873808 is 8083783333187.

It can be written as a sum of positive squares in 4 ways, for example, as 371066159104 + 7442267714704 = 609152^2 + 2728052^2 .

It is a super-2 number, since 2×7813333873808² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7813333873801) 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, 2892803 + ... + 4898466.

It is an arithmetic number, because the mean of its divisors is an integer number (381495639915).

Almost surely, 2^{7813333873808} is an apocalyptic number.

It is an amenable number.

7813333873808 is a deficient number, since it is larger than the sum of its proper divisors (7446491722792).

7813333873808 is a wasteful number, since it uses less digits than its factorization.

7813333873808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7791779 (or 7791773 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 62.

The spelling of 7813333873808 in words is "seven trillion, eight hundred thirteen billion, three hundred thirty-three million, eight hundred seventy-three thousand, eight hundred eight".