82941857 has 2 divisors, whose sum is σ = 82941858. Its totient is φ = 82941856.

The previous prime is 82941851. The next prime is 82941877. The reversal of 82941857 is 75814928.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64657681 + 18284176 = 8041^2 + 4276^2 .

It is a cyclic number.

It is not a de Polignac number, because 82941857 - 2⁸ = 82941601 is a prime.

It is not a weakly prime, because it can be changed into another prime (82941851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41470928 + 41470929.

It is an arithmetic number, because the mean of its divisors is an integer number (41470929).

Almost surely, 2^82941857 is an apocalyptic number.

It is an amenable number.

82941857 is a deficient number, since it is larger than the sum of its proper divisors (1).

82941857 is an equidigital number, since it uses as much as digits as its factorization.

82941857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 44.

The square root of 82941857 is about 9107.2420084238. The cubic root of 82941857 is about 436.1051863741.

The spelling of 82941857 in words is "eighty-two million, nine hundred forty-one thousand, eight hundred fifty-seven".