28744523094586 has 8 divisors (see below), whose sum is σ = 46433460383604. Its totient is φ = 13266702966720.

The previous prime is 28744523094563. The next prime is 28744523094589. The reversal of 28744523094586 is 68549032544782.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25893595530625 + 2850927563961 = 5088575^2 + 1688469^2 .

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

It is a super-2 number, since 2×28744523094586² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28744523094589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552779290255 + ... + 552779290306.

Almost surely, 2^{28744523094586} is an apocalyptic number.

28744523094586 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28744523094586 is a deficient number, since it is larger than the sum of its proper divisors (17688937289018).

28744523094586 is a wasteful number, since it uses less digits than its factorization.

28744523094586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105558580576.

The product of its (nonzero) digits is 464486400, while the sum is 67.

The spelling of 28744523094586 in words is "twenty-eight trillion, seven hundred forty-four billion, five hundred twenty-three million, ninety-four thousand, five hundred eighty-six".