82941039571 has 4 divisors (see below), whose sum is σ = 89321119552. Its totient is φ = 76560959592.

The previous prime is 82941039551. The next prime is 82941039593. The reversal of 82941039571 is 17593014928.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 82941039571 - 2⁷ = 82941039443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82941039551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3190039971 + ... + 3190039996.

It is an arithmetic number, because the mean of its divisors is an integer number (22330279888).

Almost surely, 2^82941039571 is an apocalyptic number.

82941039571 is a deficient number, since it is larger than the sum of its proper divisors (6380079981).

82941039571 is a wasteful number, since it uses less digits than its factorization.

82941039571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380079980.

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 82941039571 in words is "eighty-two billion, nine hundred forty-one million, thirty-nine thousand, five hundred seventy-one".