26197776 has 160 divisors (see below), whose sum is σ = 84816000. Its totient is φ = 7672320.

The previous prime is 26197771. The next prime is 26197777. The reversal of 26197776 is 67779162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26197771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175750 + ... + 175898.

It is an arithmetic number, because the mean of its divisors is an integer number (530100).

Almost surely, 2^26197776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26197776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42408000).

26197776 is an abundant number, since it is smaller than the sum of its proper divisors (58618224).

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

26197776 is a wasteful number, since it uses less digits than its factorization.

26197776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 202 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 26197776 is about 5118.3763050405. The cubic root of 26197776 is about 296.9988776613.

The spelling of 26197776 in words is "twenty-six million, one hundred ninety-seven thousand, seven hundred seventy-six".