26968215 has 16 divisors (see below), whose sum is σ = 43213536. Its totient is φ = 14361600.

The previous prime is 26968189. The next prime is 26968217. The reversal of 26968215 is 51286962.

It is not a de Polignac number, because 26968215 - 2¹¹ = 26966167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26968217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19135 + ... + 20495.

It is an arithmetic number, because the mean of its divisors is an integer number (2700846).

Almost surely, 2^26968215 is an apocalyptic number.

26968215 is a deficient number, since it is larger than the sum of its proper divisors (16245321).

26968215 is a wasteful number, since it uses less digits than its factorization.

26968215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690.

The product of its digits is 51840, while the sum is 39.

The square root of 26968215 is about 5193.0930089880. The cubic root of 26968215 is about 299.8822315525.

The spelling of 26968215 in words is "twenty-six million, nine hundred sixty-eight thousand, two hundred fifteen".