15268828427 has 4 divisors (see below), whose sum is σ = 15269239680. Its totient is φ = 15268417176.

The previous prime is 15268828423. The next prime is 15268828433. The reversal of 15268828427 is 72482886251.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 15268828427 - 2² = 15268828423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15268828423) 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, 143723 + ... + 226260.

It is an arithmetic number, because the mean of its divisors is an integer number (3817309920).

Almost surely, 2^15268828427 is an apocalyptic number.

15268828427 is a deficient number, since it is larger than the sum of its proper divisors (411253).

15268828427 is an equidigital number, since it uses as much as digits as its factorization.

15268828427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411252.

The product of its digits is 3440640, while the sum is 53.

The spelling of 15268828427 in words is "fifteen billion, two hundred sixty-eight million, eight hundred twenty-eight thousand, four hundred twenty-seven".