28545072514 has 8 divisors (see below), whose sum is σ = 48934410048. Its totient is φ = 12233602500.

The previous prime is 28545072511. The next prime is 28545072529. The reversal of 28545072514 is 41527054582.

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

It is not an unprimeable number, because it can be changed into a prime (28545072511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019466862 + ... + 1019466889.

It is an arithmetic number, because the mean of its divisors is an integer number (6116801256).

Almost surely, 2^28545072514 is an apocalyptic number.

28545072514 is a deficient number, since it is larger than the sum of its proper divisors (20389337534).

28545072514 is a wasteful number, since it uses less digits than its factorization.

28545072514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038933760.

The product of its (nonzero) digits is 448000, while the sum is 43.

The spelling of 28545072514 in words is "twenty-eight billion, five hundred forty-five million, seventy-two thousand, five hundred fourteen".