26783985 has 8 divisors (see below), whose sum is σ = 42854400. Its totient is φ = 14284784.

The previous prime is 26783963. The next prime is 26783989. The reversal of 26783985 is 58938762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26783985 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26783989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892785 + ... + 892814.

It is an arithmetic number, because the mean of its divisors is an integer number (5356800).

Almost surely, 2^26783985 is an apocalyptic number.

It is an amenable number.

26783985 is a deficient number, since it is larger than the sum of its proper divisors (16070415).

26783985 is a wasteful number, since it uses less digits than its factorization.

26783985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785607.

The product of its digits is 725760, while the sum is 48.

The square root of 26783985 is about 5175.3246274992. The cubic root of 26783985 is about 299.1978012805.

The spelling of 26783985 in words is "twenty-six million, seven hundred eighty-three thousand, nine hundred eighty-five".