82003315586 has 4 divisors (see below), whose sum is σ = 123004973382. Its totient is φ = 41001657792.

The previous prime is 82003315553. The next prime is 82003315613. The reversal of 82003315586 is 68551330028.

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

It can be written as a sum of positive squares in only one way, i.e., 79534716361 + 2468599225 = 282019^2 + 49685^2 .

It is a super-2 number, since 2×82003315586² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20500828895 + ... + 20500828898.

Almost surely, 2^82003315586 is an apocalyptic number.

82003315586 is a deficient number, since it is larger than the sum of its proper divisors (41001657796).

82003315586 is a wasteful number, since it uses less digits than its factorization.

82003315586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41001657795.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 82003315586 in words is "eighty-two billion, three million, three hundred fifteen thousand, five hundred eighty-six".