28400590927 has 8 divisors (see below), whose sum is σ = 28542458880. Its totient is φ = 28258791960.

The previous prime is 28400590921. The next prime is 28400590951. The reversal of 28400590927 is 72909500482.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28400590927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28400590921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939474 + ... + 969232.

It is an arithmetic number, because the mean of its divisors is an integer number (3567807360).

Almost surely, 2^28400590927 is an apocalyptic number.

28400590927 is a deficient number, since it is larger than the sum of its proper divisors (141867953).

28400590927 is a wasteful number, since it uses less digits than its factorization.

28400590927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34493.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 28400590927 in words is "twenty-eight billion, four hundred million, five hundred ninety thousand, nine hundred twenty-seven".