28437252714 has 80 divisors (see below), whose sum is σ = 69917119272. Its totient is φ = 8584797312.

The previous prime is 28437252667. The next prime is 28437252721. The reversal of 28437252714 is 41725273482.

28437252714 is a `hidden beast` number, since 2 + 8 + 4 + 372 + 5 + 271 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 27677313225 + 759939489 = 166365^2 + 27567^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28437252714.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15769 + ... + 239004.

Almost surely, 2^28437252714 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28437252714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34958559636).

28437252714 is an abundant number, since it is smaller than the sum of its proper divisors (41479866558).

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

28437252714 is a wasteful number, since it uses less digits than its factorization.

28437252714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254853 (or 254844 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The spelling of 28437252714 in words is "twenty-eight billion, four hundred thirty-seven million, two hundred fifty-two thousand, seven hundred fourteen".