28757900318 has 8 divisors (see below), whose sum is σ = 49299257712. Its totient is φ = 12324814416.

The previous prime is 28757900317. The next prime is 28757900351. The reversal of 28757900318 is 81300975782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28757900318² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28757900317) 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, 1027067855 + ... + 1027067882.

It is an arithmetic number, because the mean of its divisors is an integer number (6162407214).

Almost surely, 2^28757900318 is an apocalyptic number.

28757900318 is a deficient number, since it is larger than the sum of its proper divisors (20541357394).

28757900318 is a wasteful number, since it uses less digits than its factorization.

28757900318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054135746.

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 28757900318 in words is "twenty-eight billion, seven hundred fifty-seven million, nine hundred thousand, three hundred eighteen".