82940457601 has 2 divisors, whose sum is σ = 82940457602. Its totient is φ = 82940457600.

The previous prime is 82940457539. The next prime is 82940457629. The reversal of 82940457601 is 10675404928.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63730497601 + 19209960000 = 252449^2 + 138600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82940457601 is a prime.

It is not a weakly prime, because it can be changed into another prime (82940457641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41470228800 + 41470228801.

It is an arithmetic number, because the mean of its divisors is an integer number (41470228801).

Almost surely, 2^82940457601 is an apocalyptic number.

It is an amenable number.

82940457601 is a deficient number, since it is larger than the sum of its proper divisors (1).

82940457601 is an equidigital number, since it uses as much as digits as its factorization.

82940457601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 82940457601 in words is "eighty-two billion, nine hundred forty million, four hundred fifty-seven thousand, six hundred one".