18782028764 has 12 divisors (see below), whose sum is σ = 32937172800. Its totient is φ = 9371407968.

The previous prime is 18782028761. The next prime is 18782028767. The reversal of 18782028764 is 46782028781.

It is an interprime number because it is at equal distance from previous prime (18782028761) and next prime (18782028767).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18782028761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4899449 + ... + 4903280.

It is an arithmetic number, because the mean of its divisors is an integer number (2744764400).

Almost surely, 2^18782028764 is an apocalyptic number.

It is an amenable number.

18782028764 is a deficient number, since it is larger than the sum of its proper divisors (14155144036).

18782028764 is a wasteful number, since it uses less digits than its factorization.

18782028764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9803212 (or 9803210 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 53.

The spelling of 18782028764 in words is "eighteen billion, seven hundred eighty-two million, twenty-eight thousand, seven hundred sixty-four".