26616278983 has 36 divisors (see below), whose sum is σ = 32532547600. Its totient is φ = 21765065784.

The previous prime is 26616278963. The next prime is 26616279043. The reversal of 26616278983 is 38987261662.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 26616278983 - 2⁵ = 26616278951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26616278963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69494010 + ... + 69494392.

Almost surely, 2^26616278983 is an apocalyptic number.

26616278983 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

26616278983 is a deficient number, since it is larger than the sum of its proper divisors (5916268617).

26616278983 is an frugal number, since it uses more digits than its factorization.

26616278983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833 (or 413 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 58.

The spelling of 26616278983 in words is "twenty-six billion, six hundred sixteen million, two hundred seventy-eight thousand, nine hundred eighty-three".