837945385922 has 18 divisors (see below), whose sum is σ = 1270199933163. Its totient is φ = 414591247872.

The previous prime is 837945385883. The next prime is 837945385933. The reversal of 837945385922 is 229583549738.

It can be written as a sum of positive squares in 5 ways, for example, as 16241208481 + 821704177441 = 127441^2 + 906479^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=647281.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 125569178 + ... + 125575850.

Almost surely, 2^837945385922 is an apocalyptic number.

837945385922 is a deficient number, since it is larger than the sum of its proper divisors (432254547241).

837945385922 is an frugal number, since it uses more digits than its factorization.

837945385922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13542 (or 6772 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 65.

The spelling of 837945385922 in words is "eight hundred thirty-seven billion, nine hundred forty-five million, three hundred eighty-five thousand, nine hundred twenty-two".