82195099044 has 12 divisors (see below), whose sum is σ = 191788564464. Its totient is φ = 27398366344.

The previous prime is 82195099043. The next prime is 82195099061. The reversal of 82195099044 is 44099059128.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (82195099043) 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, 3424795782 + ... + 3424795805.

It is an arithmetic number, because the mean of its divisors is an integer number (15982380372).

Almost surely, 2^82195099044 is an apocalyptic number.

It is an amenable number.

82195099044 is an abundant number, since it is smaller than the sum of its proper divisors (109593465420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82195099044 is a wasteful number, since it uses less digits than its factorization.

82195099044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6849591594 (or 6849591592 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 82195099044 in words is "eighty-two billion, one hundred ninety-five million, ninety-nine thousand, forty-four".