26987955267 has 48 divisors (see below), whose sum is σ = 44948079360. Its totient is φ = 14102165376.

The previous prime is 26987955233. The next prime is 26987955287. The reversal of 26987955267 is 76255978962.

It is not a de Polignac number, because 26987955267 - 2¹⁴ = 26987938883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26987955198 and 26987955207.

It is not an unprimeable number, because it can be changed into a prime (26987955227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 344209 + ... + 415277.

It is an arithmetic number, because the mean of its divisors is an integer number (936418320).

Almost surely, 2^26987955267 is an apocalyptic number.

26987955267 is a deficient number, since it is larger than the sum of its proper divisors (17960124093).

26987955267 is a wasteful number, since it uses less digits than its factorization.

26987955267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71212 (or 71199 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 66.

The spelling of 26987955267 in words is "twenty-six billion, nine hundred eighty-seven million, nine hundred fifty-five thousand, two hundred sixty-seven".