3133345878 has 24 divisors (see below), whose sum is σ = 7311140928. Its totient is φ = 964106352.

The previous prime is 3133345877. The next prime is 3133345909. The reversal of 3133345878 is 8785433313.

3133345878 is a `hidden beast` number, since 3 + 1 + 33 + 34 + 587 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133345877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6694950 + ... + 6695417.

It is an arithmetic number, because the mean of its divisors is an integer number (304630872).

Almost surely, 2^3133345878 is an apocalyptic number.

3133345878 is an abundant number, since it is smaller than the sum of its proper divisors (4177795050).

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

3133345878 is a wasteful number, since it uses less digits than its factorization.

3133345878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13390388 (or 13390385 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 3133345878 is about 55976.2974659811. The cubic root of 3133345878 is about 1463.3092319245.

The spelling of 3133345878 in words is "three billion, one hundred thirty-three million, three hundred forty-five thousand, eight hundred seventy-eight".