82868662466 has 4 divisors (see below), whose sum is σ = 124302993702. Its totient is φ = 41434331232.

The previous prime is 82868662453. The next prime is 82868662477. The reversal of 82868662466 is 66426686828.

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., 80182417225 + 2686245241 = 283165^2 + 51829^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82868662399 and 82868662408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20717165615 + ... + 20717165618.

Almost surely, 2^82868662466 is an apocalyptic number.

82868662466 is a deficient number, since it is larger than the sum of its proper divisors (41434331236).

82868662466 is a wasteful number, since it uses less digits than its factorization.

82868662466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41434331235.

The product of its digits is 63700992, while the sum is 62.

The spelling of 82868662466 in words is "eighty-two billion, eight hundred sixty-eight million, six hundred sixty-two thousand, four hundred sixty-six".