28424742927 has 8 divisors (see below), whose sum is σ = 43313894016. Its totient is φ = 16242710232.

The previous prime is 28424742923. The next prime is 28424742943. The reversal of 28424742927 is 72924742482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28424742927 - 2² = 28424742923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28424742927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28424742923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676779573 + ... + 676779614.

It is an arithmetic number, because the mean of its divisors is an integer number (5414236752).

Almost surely, 2^28424742927 is an apocalyptic number.

28424742927 is a deficient number, since it is larger than the sum of its proper divisors (14889151089).

28424742927 is a wasteful number, since it uses less digits than its factorization.

28424742927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353559197.

The product of its digits is 3612672, while the sum is 51.

The spelling of 28424742927 in words is "twenty-eight billion, four hundred twenty-four million, seven hundred forty-two thousand, nine hundred twenty-seven".