82286777452 has 72 divisors (see below), whose sum is σ = 162390918816. Its totient is φ = 36435168000.

The previous prime is 82286777423. The next prime is 82286777473. The reversal of 82286777452 is 25477768228.

It is a super-2 number, since 2×82286777452² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14741302 + ... + 14746882.

It is an arithmetic number, because the mean of its divisors is an integer number (2255429428).

Almost surely, 2^82286777452 is an apocalyptic number.

82286777452 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

82286777452 is a deficient number, since it is larger than the sum of its proper divisors (80104141364).

82286777452 is a wasteful number, since it uses less digits than its factorization.

82286777452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391 (or 6378 counting only the distinct ones).

The product of its digits is 21073920, while the sum is 58.

The spelling of 82286777452 in words is "eighty-two billion, two hundred eighty-six million, seven hundred seventy-seven thousand, four hundred fifty-two".