28892013687122 has 8 divisors (see below), whose sum is σ = 43476480661116. Its totient is φ = 14399853466752.

The previous prime is 28892013687109. The next prime is 28892013687133. The reversal of 28892013687122 is 22178631029882.

It can be written as a sum of positive squares in 2 ways, for example, as 17265761833681 + 11626251853441 = 4155209^2 + 3409729^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23076687623 + ... + 23076688874.

Almost surely, 2^{28892013687122} is an apocalyptic number.

28892013687122 is a deficient number, since it is larger than the sum of its proper divisors (14584466973994).

28892013687122 is a wasteful number, since it uses less digits than its factorization.

28892013687122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46153376812.

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 28892013687122 in words is "twenty-eight trillion, eight hundred ninety-two billion, thirteen million, six hundred eighty-seven thousand, one hundred twenty-two".