26767977988 has 12 divisors (see below), whose sum is σ = 47933356240. Its totient is φ = 13072733352.

The previous prime is 26767977979. The next prime is 26767977989. The reversal of 26767977988 is 88977976762.

It is not an unprimeable number, because it can be changed into a prime (26767977989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77813718 + ... + 77814061.

Almost surely, 2^26767977988 is an apocalyptic number.

It is an amenable number.

26767977988 is a deficient number, since it is larger than the sum of its proper divisors (21165378252).

26767977988 is a wasteful number, since it uses less digits than its factorization.

26767977988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155627826 (or 155627824 counting only the distinct ones).

The product of its digits is 896168448, while the sum is 76.

The spelling of 26767977988 in words is "twenty-six billion, seven hundred sixty-seven million, nine hundred seventy-seven thousand, nine hundred eighty-eight".