26014918987 has 4 divisors (see below), whose sum is σ = 26267491120. Its totient is φ = 25762346856.

The previous prime is 26014918907. The next prime is 26014919011. The reversal of 26014918987 is 78981941062.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26014918987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26014918907) 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, 126285912 + ... + 126286117.

It is an arithmetic number, because the mean of its divisors is an integer number (6566872780).

Almost surely, 2^26014918987 is an apocalyptic number.

26014918987 is a deficient number, since it is larger than the sum of its proper divisors (252572133).

26014918987 is a wasteful number, since it uses less digits than its factorization.

26014918987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252572132.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 26014918987 in words is "twenty-six billion, fourteen million, nine hundred eighteen thousand, nine hundred eighty-seven".