28351312846 has 4 divisors (see below), whose sum is σ = 42526969272. Its totient is φ = 14175656422.

The previous prime is 28351312837. The next prime is 28351312867. The reversal of 28351312846 is 64821315382.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7087828210 + ... + 7087828213.

It is an arithmetic number, because the mean of its divisors is an integer number (10631742318).

Almost surely, 2^28351312846 is an apocalyptic number.

28351312846 is a deficient number, since it is larger than the sum of its proper divisors (14175656426).

28351312846 is a wasteful number, since it uses less digits than its factorization.

28351312846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14175656425.

The product of its digits is 276480, while the sum is 43.

The spelling of 28351312846 in words is "twenty-eight billion, three hundred fifty-one million, three hundred twelve thousand, eight hundred forty-six".