7931684244 has 24 divisors (see below), whose sum is σ = 20189742048. Its totient is φ = 2403540640.

The previous prime is 7931684221. The next prime is 7931684279. The reversal of 7931684244 is 4424861397.

It is a super-2 number, since 2×7931684244² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7931684193 and 7931684202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30044127 + ... + 30044390.

It is an arithmetic number, because the mean of its divisors is an integer number (841239252).

Almost surely, 2^7931684244 is an apocalyptic number.

It is an amenable number.

7931684244 is an abundant number, since it is smaller than the sum of its proper divisors (12258057804).

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

7931684244 is a wasteful number, since it uses less digits than its factorization.

7931684244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60088535 (or 60088533 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The square root of 7931684244 is about 89060.0036155400. The cubic root of 7931684244 is about 1994.2907380052.

The spelling of 7931684244 in words is "seven billion, nine hundred thirty-one million, six hundred eighty-four thousand, two hundred forty-four".