28317732718 has 32 divisors (see below), whose sum is σ = 48072152160. Its totient is φ = 12392540160.

The previous prime is 28317732661. The next prime is 28317732757. The reversal of 28317732718 is 81723771382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162346 + ... + 288082.

It is an arithmetic number, because the mean of its divisors is an integer number (1502254755).

Almost surely, 2^28317732718 is an apocalyptic number.

28317732718 is a deficient number, since it is larger than the sum of its proper divisors (19754419442).

28317732718 is a wasteful number, since it uses less digits than its factorization.

28317732718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126132.

The product of its digits is 790272, while the sum is 49.

The spelling of 28317732718 in words is "twenty-eight billion, three hundred seventeen million, seven hundred thirty-two thousand, seven hundred eighteen".