28226879774 has 16 divisors (see below), whose sum is σ = 43050756480. Its totient is φ = 13876803360.

The previous prime is 28226879773. The next prime is 28226879809. The reversal of 28226879774 is 47797862282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28226879773) 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, 289172 + ... + 374264.

It is an arithmetic number, because the mean of its divisors is an integer number (2690672280).

Almost surely, 2^28226879774 is an apocalyptic number.

28226879774 is a deficient number, since it is larger than the sum of its proper divisors (14823876706).

28226879774 is a wasteful number, since it uses less digits than its factorization.

28226879774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87875.

The product of its digits is 37933056, while the sum is 62.

The spelling of 28226879774 in words is "twenty-eight billion, two hundred twenty-six million, eight hundred seventy-nine thousand, seven hundred seventy-four".