28924838745 has 64 divisors (see below), whose sum is σ = 51275317248. Its totient is φ = 13805792000.

The previous prime is 28924838729. The next prime is 28924838753. The reversal of 28924838745 is 54783842982.

It is not a de Polignac number, because 28924838745 - 2⁴ = 28924838729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10108615 + ... + 10111475.

It is an arithmetic number, because the mean of its divisors is an integer number (801176832).

Almost surely, 2^28924838745 is an apocalyptic number.

It is an amenable number.

28924838745 is a deficient number, since it is larger than the sum of its proper divisors (22350478503).

28924838745 is a wasteful number, since it uses less digits than its factorization.

28924838745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814.

The product of its digits is 30965760, while the sum is 60.

The spelling of 28924838745 in words is "twenty-eight billion, nine hundred twenty-four million, eight hundred thirty-eight thousand, seven hundred forty-five".