28750947927 has 16 divisors (see below), whose sum is σ = 43711849440. Its totient is φ = 16652132352.

The previous prime is 28750947917. The next prime is 28750947937. The reversal of 28750947927 is 72974905782.

It is an interprime number because it is at equal distance from previous prime (28750947917) and next prime (28750947937).

It is not a de Polignac number, because 28750947927 - 2¹⁸ = 28750685783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28750947917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21681802 + ... + 21683127.

It is an arithmetic number, because the mean of its divisors is an integer number (2731990590).

Almost surely, 2^28750947927 is an apocalyptic number.

28750947927 is a deficient number, since it is larger than the sum of its proper divisors (14960901513).

28750947927 is a wasteful number, since it uses less digits than its factorization.

28750947927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43364962.

The product of its (nonzero) digits is 17781120, while the sum is 60.

The spelling of 28750947927 in words is "twenty-eight billion, seven hundred fifty million, nine hundred forty-seven thousand, nine hundred twenty-seven".