28069365378 has 8 divisors (see below), whose sum is σ = 56138730768. Its totient is φ = 9356455124.

The previous prime is 28069365353. The next prime is 28069365383. The reversal of 28069365378 is 87356396082.

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

28069365378 is an admirable number.

It is a super-3 number, since 3×28069365378³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2339113776 + ... + 2339113787.

It is an arithmetic number, because the mean of its divisors is an integer number (7017341346).

Almost surely, 2^28069365378 is an apocalyptic number.

28069365378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28069365378 is a wasteful number, since it uses less digits than its factorization.

28069365378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4678227568.

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 28069365378 in words is "twenty-eight billion, sixty-nine million, three hundred sixty-five thousand, three hundred seventy-eight".