26977047168 has 64 divisors (see below), whose sum is σ = 73969355520. Its totient is φ = 8702269440.

The previous prime is 26977047101. The next prime is 26977047239. The reversal of 26977047168 is 86174077962.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×26977047168² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121205 + ... + 1145012.

It is an arithmetic number, because the mean of its divisors is an integer number (1155771180).

Almost surely, 2^26977047168 is an apocalyptic number.

It is an amenable number.

26977047168 is an abundant number, since it is smaller than the sum of its proper divisors (46992308352).

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

26977047168 is a wasteful number, since it uses less digits than its factorization.

26977047168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266265 (or 2266253 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 26977047168 in words is "twenty-six billion, nine hundred seventy-seven million, forty-seven thousand, one hundred sixty-eight".