82494921327 has 48 divisors (see below), whose sum is σ = 145899284832. Its totient is φ = 40954152960.

The previous prime is 82494921317. The next prime is 82494921389. The reversal of 82494921327 is 72312949428.

It is a happy number.

It is not a de Polignac number, because 82494921327 - 2⁷ = 82494921199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 82494921327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82494921317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1237174 + ... + 1302147.

It is an arithmetic number, because the mean of its divisors is an integer number (3039568434).

Almost surely, 2^82494921327 is an apocalyptic number.

82494921327 is a deficient number, since it is larger than the sum of its proper divisors (63404363505).

82494921327 is a wasteful number, since it uses less digits than its factorization.

82494921327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539368 (or 2539361 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The spelling of 82494921327 in words is "eighty-two billion, four hundred ninety-four million, nine hundred twenty-one thousand, three hundred twenty-seven".