28928483427 has 16 divisors (see below), whose sum is σ = 40278965760. Its totient is φ = 18433105152.

The previous prime is 28928483407. The next prime is 28928483429. The reversal of 28928483427 is 72438482982.

It is a de Polignac number, because none of the positive numbers 2^k-28928483427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28928483429) 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, 67918 + ... + 249939.

It is an arithmetic number, because the mean of its divisors is an integer number (2517435360).

Almost surely, 2^28928483427 is an apocalyptic number.

28928483427 is a deficient number, since it is larger than the sum of its proper divisors (11350482333).

28928483427 is a wasteful number, since it uses less digits than its factorization.

28928483427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319202.

The product of its digits is 12386304, while the sum is 57.

The spelling of 28928483427 in words is "twenty-eight billion, nine hundred twenty-eight million, four hundred eighty-three thousand, four hundred twenty-seven".