26872405539 has 32 divisors (see below), whose sum is σ = 41389608960. Its totient is φ = 15190625952.

The previous prime is 26872405531. The next prime is 26872405541. The reversal of 26872405539 is 93550427862.

It is a happy number.

It is not a de Polignac number, because 26872405539 - 2³ = 26872405531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26872405491 and 26872405500.

It is not an unprimeable number, because it can be changed into a prime (26872405531) 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, 1652442 + ... + 1668624.

It is an arithmetic number, because the mean of its divisors is an integer number (1293425280).

Almost surely, 2^26872405539 is an apocalyptic number.

26872405539 is a deficient number, since it is larger than the sum of its proper divisors (14517203421).

26872405539 is a wasteful number, since it uses less digits than its factorization.

26872405539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17039.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 26872405539 in words is "twenty-six billion, eight hundred seventy-two million, four hundred five thousand, five hundred thirty-nine".