82305145772 has 12 divisors (see below), whose sum is σ = 144037222056. Its totient is φ = 41151653760.

The previous prime is 82305145759. The next prime is 82305145799. The reversal of 82305145772 is 27754150328.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3554 + ... + 405737.

It is an arithmetic number, because the mean of its divisors is an integer number (12003101838).

Almost surely, 2^82305145772 is an apocalyptic number.

It is an amenable number.

82305145772 is a deficient number, since it is larger than the sum of its proper divisors (61732076284).

82305145772 is a wasteful number, since it uses less digits than its factorization.

82305145772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459568 (or 459566 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 82305145772 in words is "eighty-two billion, three hundred five million, one hundred forty-five thousand, seven hundred seventy-two".