117091072764 has 36 divisors (see below), whose sum is σ = 296001099576. Its totient is φ = 39027603168.

The previous prime is 117091072751. The next prime is 117091072783. The reversal of 117091072764 is 467270190711.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439047 + ... + 653409.

It is an arithmetic number, because the mean of its divisors is an integer number (8222252766).

Almost surely, 2^117091072764 is an apocalyptic number.

It is an amenable number.

117091072764 is an abundant number, since it is smaller than the sum of its proper divisors (178910026812).

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

117091072764 is a wasteful number, since it uses less digits than its factorization.

117091072764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229546 (or 229541 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The spelling of 117091072764 in words is "one hundred seventeen billion, ninety-one million, seventy-two thousand, seven hundred sixty-four".