26342978 has 8 divisors (see below), whose sum is σ = 39627468. Its totient is φ = 13133824.

The previous prime is 26342959. The next prime is 26342989. The reversal of 26342978 is 87924362.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23980609 + 2362369 = 4897^2 + 1537^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 17951 + ... + 19362.

Almost surely, 2^26342978 is an apocalyptic number.

26342978 is a deficient number, since it is larger than the sum of its proper divisors (13284490).

26342978 is a wasteful number, since it uses less digits than its factorization.

26342978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37668.

The product of its digits is 145152, while the sum is 41.

The square root of 26342978 is about 5132.5410860508. The cubic root of 26342978 is about 297.5465755763.

The spelling of 26342978 in words is "twenty-six million, three hundred forty-two thousand, nine hundred seventy-eight".