82900257997 has 8 divisors (see below), whose sum is σ = 84365695800. Its totient is φ = 81446686464.

The previous prime is 82900257991. The next prime is 82900258009. The reversal of 82900257997 is 79975200928.

It can be written as a sum of positive squares in 4 ways, for example, as 3996009796 + 78904248201 = 63214^2 + 280899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82900257997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82900257991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2952472 + ... + 2980417.

It is an arithmetic number, because the mean of its divisors is an integer number (10545711975).

Almost surely, 2^82900257997 is an apocalyptic number.

It is an amenable number.

82900257997 is a deficient number, since it is larger than the sum of its proper divisors (1465437803).

82900257997 is a wasteful number, since it uses less digits than its factorization.

82900257997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5933135.

The product of its (nonzero) digits is 5715360, while the sum is 58.

The spelling of 82900257997 in words is "eighty-two billion, nine hundred million, two hundred fifty-seven thousand, nine hundred ninety-seven".