28152257314 has 8 divisors (see below), whose sum is σ = 42231214620. Its totient is φ = 14075185776.

The previous prime is 28152257311. The next prime is 28152257333. The reversal of 28152257314 is 41375225182.

It can be written as a sum of positive squares in 2 ways, for example, as 27461461225 + 690796089 = 165715^2 + 26283^2 .

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 (28152257311) 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, 433509 + ... + 494200.

Almost surely, 2^28152257314 is an apocalyptic number.

28152257314 is a deficient number, since it is larger than the sum of its proper divisors (14078957306).

28152257314 is a wasteful number, since it uses less digits than its factorization.

28152257314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942884.

The product of its digits is 134400, while the sum is 40.

The spelling of 28152257314 in words is "twenty-eight billion, one hundred fifty-two million, two hundred fifty-seven thousand, three hundred fourteen".