28774268746 has 8 divisors (see below), whose sum is σ = 43340496804. Its totient is φ = 14327436480.

The previous prime is 28774268741. The next prime is 28774268777. The reversal of 28774268746 is 64786247782.

It can be written as a sum of positive squares in 2 ways, for example, as 27570942025 + 1203326721 = 166045^2 + 34689^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28774268741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29848345 + ... + 29849308.

Almost surely, 2^28774268746 is an apocalyptic number.

28774268746 is a deficient number, since it is larger than the sum of its proper divisors (14566228058).

28774268746 is a wasteful number, since it uses less digits than its factorization.

28774268746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59697896.

The product of its digits is 50577408, while the sum is 61.

The spelling of 28774268746 in words is "twenty-eight billion, seven hundred seventy-four million, two hundred sixty-eight thousand, seven hundred forty-six".