82704264501245 has 16 divisors (see below), whose sum is σ = 99895191691440. Its totient is φ = 65730180132864.

The previous prime is 82704264501211. The next prime is 82704264501263. The reversal of 82704264501245 is 54210546240728.

It can be written as a sum of positive squares in 8 ways, for example, as 8198727408964 + 74505537092281 = 2863342^2 + 8631659^2 .

It is a cyclic number.

It is not a de Polignac number, because 82704264501245 - 2²⁰ = 82704263452669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82704264501193 and 82704264501202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5087462 + ... + 13830791.

It is an arithmetic number, because the mean of its divisors is an integer number (6243449480715).

Almost surely, 2^{82704264501245} is an apocalyptic number.

It is an amenable number.

82704264501245 is a deficient number, since it is larger than the sum of its proper divisors (17190927190195).

82704264501245 is a wasteful number, since it uses less digits than its factorization.

82704264501245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18923984.

The product of its (nonzero) digits is 4300800, while the sum is 50.

The spelling of 82704264501245 in words is "eighty-two trillion, seven hundred four billion, two hundred sixty-four million, five hundred one thousand, two hundred forty-five".