82772923 has 2 divisors, whose sum is σ = 82772924. Its totient is φ = 82772922.

The previous prime is 82772897. The next prime is 82772941. The reversal of 82772923 is 32927728.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82772923 - 2⁹ = 82772411 is a prime.

It is not a weakly prime, because it can be changed into another prime (82772323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41386461 + 41386462.

It is an arithmetic number, because the mean of its divisors is an integer number (41386462).

Almost surely, 2^82772923 is an apocalyptic number.

82772923 is a deficient number, since it is larger than the sum of its proper divisors (1).

82772923 is an equidigital number, since it uses as much as digits as its factorization.

82772923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The square root of 82772923 is about 9097.9625741152. The cubic root of 82772923 is about 435.8089022406.

The spelling of 82772923 in words is "eighty-two million, seven hundred seventy-two thousand, nine hundred twenty-three".