26764986764 has 6 divisors (see below), whose sum is σ = 46838726844. Its totient is φ = 13382493380.

The previous prime is 26764986757. The next prime is 26764986767. The reversal of 26764986764 is 46768946762.

It is a self number, because there is not a number n which added to its sum of digits gives 26764986764.

It is not an unprimeable number, because it can be changed into a prime (26764986767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3345623342 + ... + 3345623349.

It is an arithmetic number, because the mean of its divisors is an integer number (7806454474).

Almost surely, 2^26764986764 is an apocalyptic number.

It is an amenable number.

26764986764 is a deficient number, since it is larger than the sum of its proper divisors (20073740080).

26764986764 is a wasteful number, since it uses less digits than its factorization.

26764986764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691246695 (or 6691246693 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 65.

The spelling of 26764986764 in words is "twenty-six billion, seven hundred sixty-four million, nine hundred eighty-six thousand, seven hundred sixty-four".