26841978 has 24 divisors (see below), whose sum is σ = 58312800. Its totient is φ = 8923464.

The previous prime is 26841973. The next prime is 26842007. The reversal of 26841978 is 87914862.

It is not an unprimeable number, because it can be changed into a prime (26841973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5763 + ... + 9321.

It is an arithmetic number, because the mean of its divisors is an integer number (2429700).

Almost surely, 2^26841978 is an apocalyptic number.

26841978 is an abundant number, since it is smaller than the sum of its proper divisors (31470822).

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

26841978 is a wasteful number, since it uses less digits than its factorization.

26841978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3986 (or 3983 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 26841978 is about 5180.9244348861. The cubic root of 26841978 is about 299.4135878160.

The spelling of 26841978 in words is "twenty-six million, eight hundred forty-one thousand, nine hundred seventy-eight".