28272023134 has 8 divisors (see below), whose sum is σ = 42428697480. Its totient is φ = 14129123976.

The previous prime is 28272023119. The next prime is 28272023149. The reversal of 28272023134 is 43132027282.

It is an interprime number because it is at equal distance from previous prime (28272023119) and next prime (28272023149).

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

It is a self number, because there is not a number n which added to its sum of digits gives 28272023134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3438664 + ... + 3446875.

It is an arithmetic number, because the mean of its divisors is an integer number (5303587185).

Almost surely, 2^28272023134 is an apocalyptic number.

28272023134 is a deficient number, since it is larger than the sum of its proper divisors (14156674346).

28272023134 is a wasteful number, since it uses less digits than its factorization.

28272023134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6887594.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 28272023134 in words is "twenty-eight billion, two hundred seventy-two million, twenty-three thousand, one hundred thirty-four".