26090606257 has 8 divisors (see below), whose sum is σ = 27577758560. Its totient is φ = 24614850240.

The previous prime is 26090606239. The next prime is 26090606279. The reversal of 26090606257 is 75260609062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26090606257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26090606237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2844363 + ... + 2853520.

It is an arithmetic number, because the mean of its divisors is an integer number (3447219820).

Almost surely, 2^26090606257 is an apocalyptic number.

It is an amenable number.

26090606257 is a deficient number, since it is larger than the sum of its proper divisors (1487152303).

26090606257 is a wasteful number, since it uses less digits than its factorization.

26090606257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5698143.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 26090606257 in words is "twenty-six billion, ninety million, six hundred six thousand, two hundred fifty-seven".