26878901 has 12 divisors (see below), whose sum is σ = 32914080. Its totient is φ = 21825720.

The previous prime is 26878889. The next prime is 26878919. The reversal of 26878901 is 10987862.

It is a de Polignac number, because none of the positive numbers 2^k-26878901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26878961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13505 + ... + 15366.

It is an arithmetic number, because the mean of its divisors is an integer number (2742840).

Almost surely, 2^26878901 is an apocalyptic number.

It is an amenable number.

26878901 is a deficient number, since it is larger than the sum of its proper divisors (6035179).

26878901 is a wasteful number, since it uses less digits than its factorization.

26878901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28904 (or 28897 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 26878901 is about 5184.4865705294. The cubic root of 26878901 is about 299.5508129575.

The spelling of 26878901 in words is "twenty-six million, eight hundred seventy-eight thousand, nine hundred one".