3113878725 has 18 divisors (see below), whose sum is σ = 5577303186. Its totient is φ = 1660735200.

The previous prime is 3113878697. The next prime is 3113878751. The reversal of 3113878725 is 5278783113.

It can be written as a sum of positive squares in 3 ways, for example, as 586705284 + 2527173441 = 24222^2 + 50271^2 .

It is not a de Polignac number, because 3113878725 - 2¹² = 3113874629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6919506 + ... + 6919955.

It is an arithmetic number, because the mean of its divisors is an integer number (309850177).

Almost surely, 2^3113878725 is an apocalyptic number.

It is an amenable number.

3113878725 is a deficient number, since it is larger than the sum of its proper divisors (2463424461).

3113878725 is a wasteful number, since it uses less digits than its factorization.

3113878725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13839477 (or 13839469 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 3113878725 is about 55802.1390719030. The cubic root of 3113878725 is about 1460.2724713526.

The spelling of 3113878725 in words is "three billion, one hundred thirteen million, eight hundred seventy-eight thousand, seven hundred twenty-five".