82645001882 has 4 divisors (see below), whose sum is σ = 123967502826. Its totient is φ = 41322500940.

The previous prime is 82645001869. The next prime is 82645001891. The reversal of 82645001882 is 28810054628.

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

It can be written as a sum of positive squares in only one way, i.e., 56430477601 + 26214524281 = 237551^2 + 161909^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20661250469 + ... + 20661250472.

Almost surely, 2^82645001882 is an apocalyptic number.

82645001882 is a deficient number, since it is larger than the sum of its proper divisors (41322500944).

82645001882 is a wasteful number, since it uses less digits than its factorization.

82645001882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41322500943.

The product of its (nonzero) digits is 245760, while the sum is 44.

The spelling of 82645001882 in words is "eighty-two billion, six hundred forty-five million, one thousand, eight hundred eighty-two".