28663244236682 has 32 divisors (see below), whose sum is σ = 47837377462464. Its totient is φ = 12769837600000.

The previous prime is 28663244236667. The next prime is 28663244236703.

It is a happy number.

28663244236682 is nontrivially palindromic in base 10.

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, 11441444 + ... + 13719807.

It is an arithmetic number, because the mean of its divisors is an integer number (1494918045702).

Almost surely, 2^{28663244236682} is an apocalyptic number.

28663244236682 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28663244236682 is a deficient number, since it is larger than the sum of its proper divisors (19174133225782).

28663244236682 is a wasteful number, since it uses less digits than its factorization.

28663244236682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25162294.

The product of its digits is 191102976, while the sum is 62.

The spelling of 28663244236682 in words is "twenty-eight trillion, six hundred sixty-three billion, two hundred forty-four million, two hundred thirty-six thousand, six hundred eighty-two".