3157799156 has 6 divisors (see below), whose sum is σ = 5526148530. Its totient is φ = 1578899576.

The previous prime is 3157799143. The next prime is 3157799171. The reversal of 3157799156 is 6519977513.

It can be written as a sum of positive squares in only one way, i.e., 2451834256 + 705964900 = 49516^2 + 26570^2 .

It is a super-4 number, since 4×3157799156⁴ (a number of 39 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3157799098 and 3157799107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394724891 + ... + 394724898.

It is an arithmetic number, because the mean of its divisors is an integer number (921024755).

Almost surely, 2^3157799156 is an apocalyptic number.

It is an amenable number.

3157799156 is a deficient number, since it is larger than the sum of its proper divisors (2368349374).

3157799156 is a wasteful number, since it uses less digits than its factorization.

3157799156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789449793 (or 789449791 counting only the distinct ones).

The product of its digits is 1786050, while the sum is 53.

The square root of 3157799156 is about 56194.2982516910. The cubic root of 3157799156 is about 1467.1060277593.

The spelling of 3157799156 in words is "three billion, one hundred fifty-seven million, seven hundred ninety-nine thousand, one hundred fifty-six".