82001791001 has 8 divisors (see below), whose sum is σ = 88317472320. Its totient is φ = 75687231312.

The previous prime is 82001790991. The next prime is 82001791009. The reversal of 82001791001 is 10019710028.

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-82001791001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82001791009) 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, 125381 + ... + 423938.

It is an arithmetic number, because the mean of its divisors is an integer number (11039684040).

Almost surely, 2^82001791001 is an apocalyptic number.

It is an amenable number.

82001791001 is a deficient number, since it is larger than the sum of its proper divisors (6315681319).

82001791001 is a wasteful number, since it uses less digits than its factorization.

82001791001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560815.

The product of its (nonzero) digits is 1008, while the sum is 29.

The spelling of 82001791001 in words is "eighty-two billion, one million, seven hundred ninety-one thousand, one".