28068458364 has 24 divisors (see below), whose sum is σ = 72770077520. Its totient is φ = 9356152752.

The previous prime is 28068458357. The next prime is 28068458419. The reversal of 28068458364 is 46385486082.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 28068458364.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129946459 + ... + 129946674.

Almost surely, 2^28068458364 is an apocalyptic number.

It is an amenable number.

28068458364 is an abundant number, since it is smaller than the sum of its proper divisors (44701619156).

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

28068458364 is a wasteful number, since it uses less digits than its factorization.

28068458364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259893146 (or 259893138 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 28068458364 in words is "twenty-eight billion, sixty-eight million, four hundred fifty-eight thousand, three hundred sixty-four".