3117939750 has 64 divisors (see below), whose sum is σ = 8647104960. Its totient is φ = 831448800.

The previous prime is 3117939749. The next prime is 3117939763. The reversal of 3117939750 is 579397113.

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

It is a junction number, because it is equal to n+sod(n) for n = 3117939696 and 3117939705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224209 + ... + 237708.

It is an arithmetic number, because the mean of its divisors is an integer number (135111015).

Almost surely, 2^3117939750 is an apocalyptic number.

3117939750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3117939750 is an abundant number, since it is smaller than the sum of its proper divisors (5529165210).

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

3117939750 is a wasteful number, since it uses less digits than its factorization.

3117939750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461943 (or 461927 counting only the distinct ones).

The product of its (nonzero) digits is 178605, while the sum is 45.

The square root of 3117939750 is about 55838.5149336907. The cubic root of 3117939750 is about 1460.9070097538.

The spelling of 3117939750 in words is "three billion, one hundred seventeen million, nine hundred thirty-nine thousand, seven hundred fifty".