82922779 has 2 divisors, whose sum is σ = 82922780. Its totient is φ = 82922778.

The previous prime is 82922767. The next prime is 82922839. The reversal of 82922779 is 97722928.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82922779 is a prime.

It is not a weakly prime, because it can be changed into another prime (82922759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41461389 + 41461390.

It is an arithmetic number, because the mean of its divisors is an integer number (41461390).

Almost surely, 2^82922779 is an apocalyptic number.

82922779 is a deficient number, since it is larger than the sum of its proper divisors (1).

82922779 is an equidigital number, since it uses as much as digits as its factorization.

82922779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 46.

The square root of 82922779 is about 9106.1945399821. The cubic root of 82922779 is about 436.0717466729.

The spelling of 82922779 in words is "eighty-two million, nine hundred twenty-two thousand, seven hundred seventy-nine".