28839465395 has 32 divisors (see below), whose sum is σ = 38242532160. Its totient is φ = 20742543360.

The previous prime is 28839465373. The next prime is 28839465433. The reversal of 28839465395 is 59356493882.

It is not a de Polignac number, because 28839465395 - 2⁸ = 28839465139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1635536 + ... + 1653074.

It is an arithmetic number, because the mean of its divisors is an integer number (1195079130).

Almost surely, 2^28839465395 is an apocalyptic number.

28839465395 is a deficient number, since it is larger than the sum of its proper divisors (9403066765).

28839465395 is a wasteful number, since it uses less digits than its factorization.

28839465395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18215.

The product of its digits is 55987200, while the sum is 62.

The spelling of 28839465395 in words is "twenty-eight billion, eight hundred thirty-nine million, four hundred sixty-five thousand, three hundred ninety-five".