26871613968 has 80 divisors (see below), whose sum is σ = 73781626880. Its totient is φ = 8403357312.

The previous prime is 26871613961. The next prime is 26871613981. The reversal of 26871613968 is 86931617862.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (26871613961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49096 + ... + 236967.

It is an arithmetic number, because the mean of its divisors is an integer number (922270336).

Almost surely, 2^26871613968 is an apocalyptic number.

It is an amenable number.

26871613968 is an abundant number, since it is smaller than the sum of its proper divisors (46910012912).

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

26871613968 is a wasteful number, since it uses less digits than its factorization.

26871613968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286196 (or 286190 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The spelling of 26871613968 in words is "twenty-six billion, eight hundred seventy-one million, six hundred thirteen thousand, nine hundred sixty-eight".