28774271337 has 16 divisors (see below), whose sum is σ = 45358458240. Its totient is φ = 15875459712.

The previous prime is 28774271231. The next prime is 28774271353. The reversal of 28774271337 is 73317247782.

It is not a de Polignac number, because 28774271337 - 2⁷ = 28774271209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28774271337.

It is not an unprimeable number, because it can be changed into a prime (28774271837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23623588 + ... + 23624805.

It is an arithmetic number, because the mean of its divisors is an integer number (2834903640).

Almost surely, 2^28774271337 is an apocalyptic number.

It is an amenable number.

28774271337 is a deficient number, since it is larger than the sum of its proper divisors (16584186903).

28774271337 is a wasteful number, since it uses less digits than its factorization.

28774271337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47248432.

The product of its digits is 2765952, while the sum is 51.

The spelling of 28774271337 in words is "twenty-eight billion, seven hundred seventy-four million, two hundred seventy-one thousand, three hundred thirty-seven".