3813157788 has 24 divisors (see below), whose sum is σ = 9706220160. Its totient is φ = 1155502320.

The previous prime is 3813157757. The next prime is 3813157811. The reversal of 3813157788 is 8877513183.

It is a self number, because there is not a number n which added to its sum of digits gives 3813157788.

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, 14443648 + ... + 14443911.

It is an arithmetic number, because the mean of its divisors is an integer number (404425840).

Almost surely, 2^3813157788 is an apocalyptic number.

It is an amenable number.

3813157788 is an abundant number, since it is smaller than the sum of its proper divisors (5893062372).

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

3813157788 is a wasteful number, since it uses less digits than its factorization.

3813157788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28887577 (or 28887575 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 51.

The square root of 3813157788 is about 61750.7715579328. The cubic root of 3813157788 is about 1562.2897817068.

The spelling of 3813157788 in words is "three billion, eight hundred thirteen million, one hundred fifty-seven thousand, seven hundred eighty-eight".