85381692922 has 16 divisors (see below), whose sum is σ = 128643451560. Its totient is φ = 42500603392.

The previous prime is 85381692911. The next prime is 85381692931. The reversal of 85381692922 is 22929618358.

It can be written as a sum of positive squares in 4 ways, for example, as 77790230281 + 7591462641 = 278909^2 + 87129^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3889008 + ... + 3910900.

Almost surely, 2^85381692922 is an apocalyptic number.

85381692922 is a deficient number, since it is larger than the sum of its proper divisors (43261758638).

85381692922 is a wasteful number, since it uses less digits than its factorization.

85381692922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30497.

The product of its digits is 3732480, while the sum is 55.

The spelling of 85381692922 in words is "eighty-five billion, three hundred eighty-one million, six hundred ninety-two thousand, nine hundred twenty-two".