117840762771 has 16 divisors (see below), whose sum is σ = 165406348800. Its totient is φ = 74418632928.

The previous prime is 117840762757. The next prime is 117840762779. The reversal of 117840762771 is 177267048711.

It is a happy number.

It is not a de Polignac number, because 117840762771 - 2¹⁵ = 117840730003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117840762779) 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, 538725 + ... + 725193.

It is an arithmetic number, because the mean of its divisors is an integer number (10337896800).

Almost surely, 2^117840762771 is an apocalyptic number.

117840762771 is a deficient number, since it is larger than the sum of its proper divisors (47565586029).

117840762771 is a wasteful number, since it uses less digits than its factorization.

117840762771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197578.

The product of its (nonzero) digits is 921984, while the sum is 51.

The spelling of 117840762771 in words is "one hundred seventeen billion, eight hundred forty million, seven hundred sixty-two thousand, seven hundred seventy-one".