26776920 has 64 divisors (see below), whose sum is σ = 80766720. Its totient is φ = 7101824.

The previous prime is 26776891. The next prime is 26776927. The reversal of 26776920 is 2967762.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26776927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26749 + ... + 27731.

It is an arithmetic number, because the mean of its divisors is an integer number (1261980).

Almost surely, 2^26776920 is an apocalyptic number.

26776920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26776920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40383360).

26776920 is an abundant number, since it is smaller than the sum of its proper divisors (53989800).

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

26776920 is a wasteful number, since it uses less digits than its factorization.

26776920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 26776920 is about 5174.6420166037. The cubic root of 26776920 is about 299.1714917980.

The spelling of 26776920 in words is "twenty-six million, seven hundred seventy-six thousand, nine hundred twenty".