3117939696 has 80 divisors (see below), whose sum is σ = 8959902720. Its totient is φ = 1038121920.

The previous prime is 3117939683. The next prime is 3117939697. The reversal of 3117939696 is 6969397113.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3117939697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424471 + ... + 431753.

It is an arithmetic number, because the mean of its divisors is an integer number (111998784).

Almost surely, 2^3117939696 is an apocalyptic number.

3117939696 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3117939696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4479951360).

3117939696 is an abundant number, since it is smaller than the sum of its proper divisors (5841963024).

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

3117939696 is a wasteful number, since it uses less digits than its factorization.

3117939696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8291 (or 8279 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 54.

The square root of 3117939696 is about 55838.5144501535. The cubic root of 3117939696 is about 1460.9070013199.

It can be divided in two parts, 311793 and 9696, that added together give a square (321489 = 567²).

The spelling of 3117939696 in words is "three billion, one hundred seventeen million, nine hundred thirty-nine thousand, six hundred ninety-six".