26887471066 has 8 divisors (see below), whose sum is σ = 40333345920. Its totient is φ = 13443022428.

The previous prime is 26887471021. The next prime is 26887471069. The reversal of 26887471066 is 66017478862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×26887471066² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26887470998 and 26887471016.

It is not an unprimeable number, because it can be changed into a prime (26887471069) 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, 308106 + ... + 385621.

It is an arithmetic number, because the mean of its divisors is an integer number (5041668240).

Almost surely, 2^26887471066 is an apocalyptic number.

26887471066 is a deficient number, since it is larger than the sum of its proper divisors (13445874854).

26887471066 is a wasteful number, since it uses less digits than its factorization.

26887471066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713108.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 26887471066 in words is "twenty-six billion, eight hundred eighty-seven million, four hundred seventy-one thousand, sixty-six".