3111678783 has 6 divisors (see below), whose sum is σ = 4494647144. Its totient is φ = 2074452516.

The previous prime is 3111678767. The next prime is 3111678833. The reversal of 3111678783 is 3878761113.

It is not a de Polignac number, because 3111678783 - 2⁴ = 3111678767 is a prime.

It is a super-2 number, since 2×3111678783² = 19365089697144722178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111678683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172871035 + ... + 172871052.

Almost surely, 2^3111678783 is an apocalyptic number.

3111678783 is a deficient number, since it is larger than the sum of its proper divisors (1382968361).

3111678783 is a wasteful number, since it uses less digits than its factorization.

3111678783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345742093 (or 345742090 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 3111678783 is about 55782.4236027801. The cubic root of 3111678783 is about 1459.9284982498.

The spelling of 3111678783 in words is "three billion, one hundred eleven million, six hundred seventy-eight thousand, seven hundred eighty-three".