28647245134 has 4 divisors (see below), whose sum is σ = 42970867704. Its totient is φ = 14323622566.

The previous prime is 28647245119. The next prime is 28647245149. The reversal of 28647245134 is 43154274682.

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

It is an interprime number because it is at equal distance from previous prime (28647245119) and next prime (28647245149).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7161811282 + ... + 7161811285.

It is an arithmetic number, because the mean of its divisors is an integer number (10742716926).

Almost surely, 2^28647245134 is an apocalyptic number.

28647245134 is a deficient number, since it is larger than the sum of its proper divisors (14323622570).

28647245134 is a wasteful number, since it uses less digits than its factorization.

28647245134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14323622569.

The product of its digits is 1290240, while the sum is 46.

The spelling of 28647245134 in words is "twenty-eight billion, six hundred forty-seven million, two hundred forty-five thousand, one hundred thirty-four".