28774193754 has 16 divisors (see below), whose sum is σ = 57987689760. Its totient is φ = 9518180880.

The previous prime is 28774193753. The next prime is 28774193759. The reversal of 28774193754 is 45739147782.

It is a super-2 number, since 2×28774193754² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28774193694 and 28774193703.

It is not an unprimeable number, because it can be changed into a prime (28774193753) 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, 18303409 + ... + 18304980.

It is an arithmetic number, because the mean of its divisors is an integer number (3624230610).

Almost surely, 2^28774193754 is an apocalyptic number.

28774193754 is an abundant number, since it is smaller than the sum of its proper divisors (29213496006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28774193754 is a wasteful number, since it uses less digits than its factorization.

28774193754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36608525.

The product of its digits is 11854080, while the sum is 57.

The spelling of 28774193754 in words is "twenty-eight billion, seven hundred seventy-four million, one hundred ninety-three thousand, seven hundred fifty-four".