82773227592 has 128 divisors (see below), whose sum is σ = 251541072000. Its totient is φ = 25011486720.

The previous prime is 82773227587. The next prime is 82773227617. The reversal of 82773227592 is 29572237728.

82773227592 is a `hidden beast` number, since 8 + 27 + 7 + 3 + 2 + 27 + 592 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 789384 + ... + 888072.

It is an arithmetic number, because the mean of its divisors is an integer number (1965164625).

Almost surely, 2^82773227592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82773227592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125770536000).

82773227592 is an abundant number, since it is smaller than the sum of its proper divisors (168767844408).

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

82773227592 is a wasteful number, since it uses less digits than its factorization.

82773227592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99068 (or 99058 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The spelling of 82773227592 in words is "eighty-two billion, seven hundred seventy-three million, two hundred twenty-seven thousand, five hundred ninety-two".