26960987 has 4 divisors (see below), whose sum is σ = 27102336. Its totient is φ = 26819640.

The previous prime is 26960959. The next prime is 26961007. The reversal of 26960987 is 78906962.

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

It is a cyclic number.

It is not a de Polignac number, because 26960987 - 2¹⁰ = 26959963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26960587) 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, 70388 + ... + 70769.

It is an arithmetic number, because the mean of its divisors is an integer number (6775584).

Almost surely, 2^26960987 is an apocalyptic number.

26960987 is a deficient number, since it is larger than the sum of its proper divisors (141349).

26960987 is a wasteful number, since it uses less digits than its factorization.

26960987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141348.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 26960987 is about 5192.3970379777. The cubic root of 26960987 is about 299.8554377578.

The spelling of 26960987 in words is "twenty-six million, nine hundred sixty thousand, nine hundred eighty-seven".