26894794770 has 64 divisors (see below), whose sum is σ = 71885399040. Its totient is φ = 7155350784.

The previous prime is 26894794757. The next prime is 26894794777. The reversal of 26894794770 is 7749749862.

26894794770 is a `hidden beast` number, since 2 + 6 + 8 + 94 + 79 + 477 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 26894794698 and 26894794707.

It is not an unprimeable number, because it can be changed into a prime (26894794777) 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, 1887 + ... + 231933.

It is an arithmetic number, because the mean of its divisors is an integer number (1123209360).

Almost surely, 2^26894794770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26894794770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35942699520).

26894794770 is an abundant number, since it is smaller than the sum of its proper divisors (44990604270).

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

26894794770 is a wasteful number, since it uses less digits than its factorization.

26894794770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230496 (or 230490 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 26894794770 in words is "twenty-six billion, eight hundred ninety-four million, seven hundred ninety-four thousand, seven hundred seventy".