28662386232 has 32 divisors (see below), whose sum is σ = 71762478480. Its totient is φ = 9539927040.

The previous prime is 28662386227. The next prime is 28662386239. The reversal of 28662386232 is 23268326682.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28662386239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871119 + ... + 903422.

Almost surely, 2^28662386232 is an apocalyptic number.

It is an amenable number.

28662386232 is an abundant number, since it is smaller than the sum of its proper divisors (43100092248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28662386232 is a wasteful number, since it uses less digits than its factorization.

28662386232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775223 (or 1775219 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 48.

The spelling of 28662386232 in words is "twenty-eight billion, six hundred sixty-two million, three hundred eighty-six thousand, two hundred thirty-two".