82571207001 has 4 divisors (see below), whose sum is σ = 110094942672. Its totient is φ = 55047471332.

The previous prime is 82571206999. The next prime is 82571207021. The reversal of 82571207001 is 10070217528.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82571207001 - 2¹ = 82571206999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82571207021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13761867831 + ... + 13761867836.

It is an arithmetic number, because the mean of its divisors is an integer number (27523735668).

Almost surely, 2^82571207001 is an apocalyptic number.

It is an amenable number.

82571207001 is a deficient number, since it is larger than the sum of its proper divisors (27523735671).

82571207001 is a wasteful number, since it uses less digits than its factorization.

82571207001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27523735670.

The product of its (nonzero) digits is 7840, while the sum is 33.

The spelling of 82571207001 in words is "eighty-two billion, five hundred seventy-one million, two hundred seven thousand, one".