82464222464 has 36 divisors (see below), whose sum is σ = 177268350756. Its totient is φ = 38060408832.

The previous prime is 82464222437. The next prime is 82464222487. The reversal of 82464222464 is 46422246428.

It can be written as a sum of positive squares in 2 ways, for example, as 10322560000 + 72141662464 = 101600^2 + 268592^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12386129 + ... + 12392784.

Almost surely, 2^82464222464 is an apocalyptic number.

It is an amenable number.

82464222464 is an abundant number, since it is smaller than the sum of its proper divisors (94804128292).

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

82464222464 is a wasteful number, since it uses less digits than its factorization.

82464222464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24778942 (or 24778928 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 44.

The spelling of 82464222464 in words is "eighty-two billion, four hundred sixty-four million, two hundred twenty-two thousand, four hundred sixty-four".