192772091 has 2 divisors, whose sum is σ = 192772092. Its totient is φ = 192772090.

The previous prime is 192772007. The next prime is 192772103. The reversal of 192772091 is 190277291.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 192772091 - 2¹⁰ = 192771067 is a prime.

It is a super-2 number, since 2×192772091² = 74322158137024562, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (192775091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96386045 + 96386046.

It is an arithmetic number, because the mean of its divisors is an integer number (96386046).

Almost surely, 2^192772091 is an apocalyptic number.

192772091 is a deficient number, since it is larger than the sum of its proper divisors (1).

192772091 is an equidigital number, since it uses as much as digits as its factorization.

192772091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 192772091 is about 13884.2389420522. The cubic root of 192772091 is about 577.6720910391.

The spelling of 192772091 in words is "one hundred ninety-two million, seven hundred seventy-two thousand, ninety-one".