26764878 has 48 divisors (see below), whose sum is σ = 63365760. Its totient is φ = 7512624.

The previous prime is 26764853. The next prime is 26764879. The reversal of 26764878 is 87846762.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26764879) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16575 + ... + 18117.

It is an arithmetic number, because the mean of its divisors is an integer number (1320120).

Almost surely, 2^26764878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26764878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31682880).

26764878 is an abundant number, since it is smaller than the sum of its proper divisors (36600882).

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

26764878 is a wasteful number, since it uses less digits than its factorization.

26764878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621 (or 1614 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The square root of 26764878 is about 5173.4783270059. The cubic root of 26764878 is about 299.1266377061.

The spelling of 26764878 in words is "twenty-six million, seven hundred sixty-four thousand, eight hundred seventy-eight".