28714474430311 has 4 divisors (see below), whose sum is σ = 28727107285392. Its totient is φ = 28701841575232.

The previous prime is 28714474430303. The next prime is 28714474430321. The reversal of 28714474430311 is 11303447441782.

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 28714474430311 - 2³ = 28714474430303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28714474430321) 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, 6316424131 + ... + 6316428676.

It is an arithmetic number, because the mean of its divisors is an integer number (7181776821348).

Almost surely, 2^{28714474430311} is an apocalyptic number.

28714474430311 is a deficient number, since it is larger than the sum of its proper divisors (12632855081).

28714474430311 is a wasteful number, since it uses less digits than its factorization.

28714474430311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12632855080.

The product of its (nonzero) digits is 1806336, while the sum is 49.

The spelling of 28714474430311 in words is "twenty-eight trillion, seven hundred fourteen billion, four hundred seventy-four million, four hundred thirty thousand, three hundred eleven".