26878416 has 20 divisors (see below), whose sum is σ = 69436032. Its totient is φ = 8959456.

The previous prime is 26878393. The next prime is 26878427. The reversal of 26878416 is 61487862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279936 + ... + 280031.

Almost surely, 2^26878416 is an apocalyptic number.

It is an amenable number.

26878416 is an abundant number, since it is smaller than the sum of its proper divisors (42557616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26878416 is a wasteful number, since it uses less digits than its factorization.

26878416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559978 (or 559972 counting only the distinct ones).

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

The square root of 26878416 is about 5184.4397961593. The cubic root of 26878416 is about 299.5490112591.

The spelling of 26878416 in words is "twenty-six million, eight hundred seventy-eight thousand, four hundred sixteen".