28259093934437 has 8 divisors (see below), whose sum is σ = 29861012855040. Its totient is φ = 26688280235760.

The previous prime is 28259093934433. The next prime is 28259093934457. The reversal of 28259093934437 is 73443939095282.

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

It is a cyclic number.

It is not a de Polignac number, because 28259093934437 - 2² = 28259093934433 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28259093934433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7776303614 + ... + 7776307247.

It is an arithmetic number, because the mean of its divisors is an integer number (3732626606880).

Almost surely, 2^{28259093934437} is an apocalyptic number.

It is an amenable number.

28259093934437 is a deficient number, since it is larger than the sum of its proper divisors (1601918920603).

28259093934437 is a wasteful number, since it uses less digits than its factorization.

28259093934437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15552610963.

The product of its (nonzero) digits is 352719360, while the sum is 68.

The spelling of 28259093934437 in words is "twenty-eight trillion, two hundred fifty-nine billion, ninety-three million, nine hundred thirty-four thousand, four hundred thirty-seven".