26878590761 has 8 divisors (see below), whose sum is σ = 29612418048. Its totient is φ = 24193150000.

The previous prime is 26878590757. The next prime is 26878590841. The reversal of 26878590761 is 16709587862.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 26878590761 - 2² = 26878590757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26878590761.

It is not an unprimeable number, because it can be changed into a prime (26878590701) 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, 12095465 + ... + 12097686.

It is an arithmetic number, because the mean of its divisors is an integer number (3701552256).

Almost surely, 2^26878590761 is an apocalyptic number.

It is an amenable number.

26878590761 is a deficient number, since it is larger than the sum of its proper divisors (2733827287).

26878590761 is a wasteful number, since it uses less digits than its factorization.

26878590761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24193263.

The product of its (nonzero) digits is 10160640, while the sum is 59.

The spelling of 26878590761 in words is "twenty-six billion, eight hundred seventy-eight million, five hundred ninety thousand, seven hundred sixty-one".