28132792539 has 32 divisors (see below), whose sum is σ = 39377124864. Its totient is φ = 17831953920.

The previous prime is 28132792507. The next prime is 28132792553. The reversal of 28132792539 is 93529723182.

It is a happy number.

It is not a de Polignac number, because 28132792539 - 2⁵ = 28132792507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28132792491 and 28132792500.

It is not an unprimeable number, because it can be changed into a prime (28132792739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11356369 + ... + 11358845.

It is an arithmetic number, because the mean of its divisors is an integer number (1230535152).

Almost surely, 2^28132792539 is an apocalyptic number.

28132792539 is a deficient number, since it is larger than the sum of its proper divisors (11244332325).

28132792539 is a wasteful number, since it uses less digits than its factorization.

28132792539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427.

The product of its digits is 1632960, while the sum is 51.

The spelling of 28132792539 in words is "twenty-eight billion, one hundred thirty-two million, seven hundred ninety-two thousand, five hundred thirty-nine".