26978468 has 24 divisors (see below), whose sum is σ = 53282880. Its totient is φ = 11839520.

The previous prime is 26978459. The next prime is 26978489. The reversal of 26978468 is 86487962.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9296 + ... + 11847.

It is an arithmetic number, because the mean of its divisors is an integer number (2220120).

Almost surely, 2^26978468 is an apocalyptic number.

It is an amenable number.

26978468 is a deficient number, since it is larger than the sum of its proper divisors (26304412).

26978468 is a wasteful number, since it uses less digits than its factorization.

26978468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21187 (or 21185 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 26978468 is about 5194.0800917968. The cubic root of 26978468 is about 299.9202306432.

The spelling of 26978468 in words is "twenty-six million, nine hundred seventy-eight thousand, four hundred sixty-eight".