28064441674 has 4 divisors (see below), whose sum is σ = 42096662514. Its totient is φ = 14032220836.

The previous prime is 28064441627. The next prime is 28064441681. The reversal of 28064441674 is 47614446082.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28003679649 + 60762025 = 167343^2 + 7795^2 .

It is a super-2 number, since 2×28064441674² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7016110417 + ... + 7016110420.

Almost surely, 2^28064441674 is an apocalyptic number.

28064441674 is a deficient number, since it is larger than the sum of its proper divisors (14032220840).

28064441674 is a wasteful number, since it uses less digits than its factorization.

28064441674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14032220839.

The product of its (nonzero) digits is 1032192, while the sum is 46.

The spelling of 28064441674 in words is "twenty-eight billion, sixty-four million, four hundred forty-one thousand, six hundred seventy-four".