82672205633858 has 8 divisors (see below), whose sum is σ = 124011680092860. Its totient is φ = 41334978936240.

The previous prime is 82672205633839. The next prime is 82672205633869. The reversal of 82672205633858 is 85833650227628.

It can be written as a sum of positive squares in 2 ways, for example, as 82668046286809 + 4159347049 = 9092197^2 + 64493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 82672205633794 and 82672205633803.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561848393 + ... + 561995516.

Almost surely, 2^{82672205633858} is an apocalyptic number.

82672205633858 is a deficient number, since it is larger than the sum of its proper divisors (41339474459002).

82672205633858 is a wasteful number, since it uses less digits than its factorization.

82672205633858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123880692.

The product of its (nonzero) digits is 232243200, while the sum is 65.

The spelling of 82672205633858 in words is "eighty-two trillion, six hundred seventy-two billion, two hundred five million, six hundred thirty-three thousand, eight hundred fifty-eight".