26930563 has 16 divisors (see below), whose sum is σ = 30344832. Its totient is φ = 23688000.

The previous prime is 26930557. The next prime is 26930569. The reversal of 26930563 is 36503962.

It is an interprime number because it is at equal distance from previous prime (26930557) and next prime (26930569).

It is a cyclic number.

It is not a de Polignac number, because 26930563 - 2⁹ = 26930051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26930569) 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, 95020 + ... + 95302.

It is an arithmetic number, because the mean of its divisors is an integer number (1896552).

Almost surely, 2^26930563 is an apocalyptic number.

26930563 is a deficient number, since it is larger than the sum of its proper divisors (3414269).

26930563 is a wasteful number, since it uses less digits than its factorization.

26930563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546.

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 26930563 is about 5189.4665429117. The cubic root of 26930563 is about 299.7426051487.

The spelling of 26930563 in words is "twenty-six million, nine hundred thirty thousand, five hundred sixty-three".