26940878 has 4 divisors (see below), whose sum is σ = 40411320. Its totient is φ = 13470438.

The previous prime is 26940811. The next prime is 26940883. The reversal of 26940878 is 87804962.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6735218 + ... + 6735221.

It is an arithmetic number, because the mean of its divisors is an integer number (10102830).

Almost surely, 2^26940878 is an apocalyptic number.

26940878 is a deficient number, since it is larger than the sum of its proper divisors (13470442).

26940878 is a wasteful number, since it uses less digits than its factorization.

26940878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13470441.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 26940878 is about 5190.4602878743. The cubic root of 26940878 is about 299.7808696082.

The spelling of 26940878 in words is "twenty-six million, nine hundred forty thousand, eight hundred seventy-eight".