26867484864 has 140 divisors (see below), whose sum is σ = 86884157448. Its totient is φ = 8141644800.

The previous prime is 26867484859. The next prime is 26867484877. The reversal of 26867484864 is 46848476862.

26867484864 is a `hidden beast` number, since 2 + 6 + 86 + 74 + 8 + 486 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 178557 + ... + 292604.

Almost surely, 2^26867484864 is an apocalyptic number.

26867484864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26867484864 is an abundant number, since it is smaller than the sum of its proper divisors (60016672584).

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

26867484864 is a wasteful number, since it uses less digits than its factorization.

26867484864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471196 (or 471177 counting only the distinct ones).

The product of its digits is 99090432, while the sum is 63.

The spelling of 26867484864 in words is "twenty-six billion, eight hundred sixty-seven million, four hundred eighty-four thousand, eight hundred sixty-four".