82487263544 has 32 divisors (see below), whose sum is σ = 176768092800. Its totient is φ = 35349750240.

The previous prime is 82487263429. The next prime is 82487263633. The reversal of 82487263544 is 44536278428.

It is a super-2 number, since 2×82487263544² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542779 + ... + 1595349.

It is an arithmetic number, because the mean of its divisors is an integer number (5524002900).

Almost surely, 2^82487263544 is an apocalyptic number.

It is an amenable number.

82487263544 is an abundant number, since it is smaller than the sum of its proper divisors (94280829256).

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

82487263544 is a wasteful number, since it uses less digits than its factorization.

82487263544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80603 (or 80599 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 53.

The spelling of 82487263544 in words is "eighty-two billion, four hundred eighty-seven million, two hundred sixty-three thousand, five hundred forty-four".