82784227375 has 8 divisors (see below), whose sum is σ = 103314715920. Its totient is φ = 66227381800.

The previous prime is 82784227349. The next prime is 82784227391. The reversal of 82784227375 is 57372248728.

It is not a de Polignac number, because 82784227375 - 2⁷ = 82784227247 is a prime.

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, 331136785 + ... + 331137034.

It is an arithmetic number, because the mean of its divisors is an integer number (12914339490).

Almost surely, 2^82784227375 is an apocalyptic number.

82784227375 is a deficient number, since it is larger than the sum of its proper divisors (20530488545).

82784227375 is an equidigital number, since it uses as much as digits as its factorization.

82784227375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662273834 (or 662273824 counting only the distinct ones).

The product of its digits is 10536960, while the sum is 55.

The spelling of 82784227375 in words is "eighty-two billion, seven hundred eighty-four million, two hundred twenty-seven thousand, three hundred seventy-five".