28012674279 has 8 divisors (see below), whose sum is σ = 37357935472. Its totient is φ = 18671264640.

The previous prime is 28012674271. The next prime is 28012674299. The reversal of 28012674279 is 97247621082.

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

It is not a de Polignac number, because 28012674279 - 2³ = 28012674271 is a prime.

It is a super-2 number, since 2×28012674279² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28012674271) 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, 945874 + ... + 975039.

It is an arithmetic number, because the mean of its divisors is an integer number (4669741934).

Almost surely, 2^28012674279 is an apocalyptic number.

28012674279 is a deficient number, since it is larger than the sum of its proper divisors (9345261193).

28012674279 is a wasteful number, since it uses less digits than its factorization.

28012674279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925777.

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 28012674279 in words is "twenty-eight billion, twelve million, six hundred seventy-four thousand, two hundred seventy-nine".