26330057861 has 16 divisors (see below), whose sum is σ = 30028680000. Its totient is φ = 22930967808.

The previous prime is 26330057857. The next prime is 26330057893. The reversal of 26330057861 is 16875003362.

It is a cyclic number.

It is not a de Polignac number, because 26330057861 - 2² = 26330057857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26330057801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 933986 + ... + 961763.

It is an arithmetic number, because the mean of its divisors is an integer number (1876792500).

Almost surely, 2^26330057861 is an apocalyptic number.

It is an amenable number.

26330057861 is a deficient number, since it is larger than the sum of its proper divisors (3698622139).

26330057861 is a wasteful number, since it uses less digits than its factorization.

26330057861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895828.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 26330057861 in words is "twenty-six billion, three hundred thirty million, fifty-seven thousand, eight hundred sixty-one".