26947679 has 4 divisors (see below), whose sum is σ = 29397480. Its totient is φ = 24497880.

The previous prime is 26947663. The next prime is 26947717. The reversal of 26947679 is 97674962.

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

It is not a de Polignac number, because 26947679 - 2⁴ = 26947663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26947639) 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, 1224884 + ... + 1224905.

It is an arithmetic number, because the mean of its divisors is an integer number (7349370).

Almost surely, 2^26947679 is an apocalyptic number.

26947679 is a deficient number, since it is larger than the sum of its proper divisors (2449801).

26947679 is a wasteful number, since it uses less digits than its factorization.

26947679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449800.

The product of its digits is 1143072, while the sum is 50.

The square root of 26947679 is about 5191.1153907421. The cubic root of 26947679 is about 299.8060932127.

The spelling of 26947679 in words is "twenty-six million, nine hundred forty-seven thousand, six hundred seventy-nine".