26776485970 has 128 divisors (see below), whose sum is σ = 56676666816. Its totient is φ = 9016344576.

The previous prime is 26776485899. The next prime is 26776485973. The reversal of 26776485970 is 7958467762.

It is a happy number.

It can be written as a sum of positive squares in 32 ways, for example, as 484836361 + 26291649609 = 22019^2 + 162147^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26776485899 and 26776485908.

It is not an unprimeable number, because it can be changed into a prime (26776485973) 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 63 ways as a sum of consecutive naturals, for example, 25920574 + ... + 25921606.

Almost surely, 2^26776485970 is an apocalyptic number.

26776485970 is an abundant number, since it is smaller than the sum of its proper divisors (29900180846).

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

26776485970 is a wasteful number, since it uses less digits than its factorization.

26776485970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424.

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 26776485970 in words is "twenty-six billion, seven hundred seventy-six million, four hundred eighty-five thousand, nine hundred seventy".