28828146611 has 4 divisors (see below), whose sum is σ = 31448887224. Its totient is φ = 26207406000.

The previous prime is 28828146601. The next prime is 28828146631. The reversal of 28828146611 is 11664182882.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28828146611 - 2⁶ = 28828146547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28828146601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1310370290 + ... + 1310370311.

It is an arithmetic number, because the mean of its divisors is an integer number (7862221806).

Almost surely, 2^28828146611 is an apocalyptic number.

28828146611 is a deficient number, since it is larger than the sum of its proper divisors (2620740613).

28828146611 is a wasteful number, since it uses less digits than its factorization.

28828146611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620740612.

The product of its digits is 294912, while the sum is 47.

The spelling of 28828146611 in words is "twenty-eight billion, eight hundred twenty-eight million, one hundred forty-six thousand, six hundred eleven".