28318679590 has 8 divisors (see below), whose sum is σ = 50973623280. Its totient is φ = 11327471832.

The previous prime is 28318679569. The next prime is 28318679591. The reversal of 28318679590 is 9597681382.

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

It is a super-2 number, since 2×28318679590² (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 (28318679591) 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, 1415933970 + ... + 1415933989.

It is an arithmetic number, because the mean of its divisors is an integer number (6371702910).

Almost surely, 2^28318679590 is an apocalyptic number.

28318679590 is a deficient number, since it is larger than the sum of its proper divisors (22654943690).

28318679590 is a wasteful number, since it uses less digits than its factorization.

28318679590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831867966.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 28318679590 in words is "twenty-eight billion, three hundred eighteen million, six hundred seventy-nine thousand, five hundred ninety".