117840762772 has 12 divisors (see below), whose sum is σ = 206287687060. Its totient is φ = 58901423616.

The previous prime is 117840762757. The next prime is 117840762779. The reversal of 117840762772 is 277267048711.

It can be written as a sum of positive squares in 2 ways, for example, as 50550327556 + 67290435216 = 224834^2 + 259404^2 .

It is a super-2 number, since 2×117840762772² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4725453 + ... + 4750324.

Almost surely, 2^117840762772 is an apocalyptic number.

It is an amenable number.

117840762772 is a deficient number, since it is larger than the sum of its proper divisors (88446924288).

117840762772 is a wasteful number, since it uses less digits than its factorization.

117840762772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9478890 (or 9478888 counting only the distinct ones).

The product of its (nonzero) digits is 1843968, while the sum is 52.

The spelling of 117840762772 in words is "one hundred seventeen billion, eight hundred forty million, seven hundred sixty-two thousand, seven hundred seventy-two".