26830887 has 16 divisors (see below), whose sum is σ = 37568640. Its totient is φ = 17008992.

The previous prime is 26830871. The next prime is 26830901. The reversal of 26830887 is 78803862.

It is not a de Polignac number, because 26830887 - 2⁴ = 26830871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26830807) 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, 3528 + ... + 8130.

It is an arithmetic number, because the mean of its divisors is an integer number (2348040).

Almost surely, 2^26830887 is an apocalyptic number.

26830887 is a deficient number, since it is larger than the sum of its proper divisors (10737753).

26830887 is a wasteful number, since it uses less digits than its factorization.

26830887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4702.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 26830887 is about 5179.8539554702. The cubic root of 26830887 is about 299.3723432949.

The spelling of 26830887 in words is "twenty-six million, eight hundred thirty thousand, eight hundred eighty-seven".