26257866782 has 8 divisors (see below), whose sum is σ = 45013485936. Its totient is φ = 11253371472.

The previous prime is 26257866781. The next prime is 26257866847. The reversal of 26257866782 is 28766875262.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26257866781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937780943 + ... + 937780970.

It is an arithmetic number, because the mean of its divisors is an integer number (5626685742).

Almost surely, 2^26257866782 is an apocalyptic number.

26257866782 is a deficient number, since it is larger than the sum of its proper divisors (18755619154).

26257866782 is a wasteful number, since it uses less digits than its factorization.

26257866782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875561922.

The product of its digits is 27095040, while the sum is 59.

The spelling of 26257866782 in words is "twenty-six billion, two hundred fifty-seven million, eight hundred sixty-six thousand, seven hundred eighty-two".