868122692 has 18 divisors (see below), whose sum is σ = 1603384398. Its totient is φ = 411215328.

The previous prime is 868122691. The next prime is 868122727. The reversal of 868122692 is 296221868.

It can be written as a sum of positive squares in only one way, i.e., 732027136 + 136095556 = 27056^2 + 11666^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (868122691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 299153 + ... + 302040.

It is an arithmetic number, because the mean of its divisors is an integer number (89076911).

Almost surely, 2^868122692 is an apocalyptic number.

It is an amenable number.

868122692 is a deficient number, since it is larger than the sum of its proper divisors (735261706).

868122692 is a wasteful number, since it uses less digits than its factorization.

868122692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601235 (or 601214 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 868122692 is about 29463.9218706539. The cubic root of 868122692 is about 953.9531274813.

The spelling of 868122692 in words is "eight hundred sixty-eight million, one hundred twenty-two thousand, six hundred ninety-two".