26648679 has 4 divisors (see below), whose sum is σ = 35531576. Its totient is φ = 17765784.

The previous prime is 26648603. The next prime is 26648681. The reversal of 26648679 is 97684662.

26648679 = T₂₄₂₉ + T₂₄₃₀ + ... + T₂₄₃₇.

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

It is not a de Polignac number, because 26648679 - 2¹³ = 26640487 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 (26648689) 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, 4441444 + ... + 4441449.

It is an arithmetic number, because the mean of its divisors is an integer number (8882894).

Almost surely, 2^26648679 is an apocalyptic number.

26648679 is a deficient number, since it is larger than the sum of its proper divisors (8882897).

26648679 is an equidigital number, since it uses as much as digits as its factorization.

26648679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8882896.

The product of its digits is 870912, while the sum is 48.

The square root of 26648679 is about 5162.2358528064. The cubic root of 26648679 is about 298.6931263151.

The spelling of 26648679 in words is "twenty-six million, six hundred forty-eight thousand, six hundred seventy-nine".