82704222824731 has 4 divisors (see below), whose sum is σ = 82866706563600. Its totient is φ = 82541739085864.

The previous prime is 82704222824659. The next prime is 82704222824759. The reversal of 82704222824731 is 13742822240728.

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

It is a cyclic number.

It is not a de Polignac number, because 82704222824731 - 2³⁹ = 82154467010843 is a prime.

It is a super-2 number, since 2×82704222824731² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82704222824761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81241868671 + ... + 81241869688.

It is an arithmetic number, because the mean of its divisors is an integer number (20716676640900).

Almost surely, 2^{82704222824731} is an apocalyptic number.

82704222824731 is a deficient number, since it is larger than the sum of its proper divisors (162483738869).

82704222824731 is a wasteful number, since it uses less digits than its factorization.

82704222824731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162483738868.

The product of its (nonzero) digits is 4816896, while the sum is 52.

The spelling of 82704222824731 in words is "eighty-two trillion, seven hundred four billion, two hundred twenty-two million, eight hundred twenty-four thousand, seven hundred thirty-one".