117922493785 has 16 divisors (see below), whose sum is σ = 144970745472. Its totient is φ = 92029219200.

The previous prime is 117922493747. The next prime is 117922493791. The reversal of 117922493785 is 587394229711.

It is not a de Polignac number, because 117922493785 - 2³¹ = 115775010137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3959500 + ... + 3989170.

It is an arithmetic number, because the mean of its divisors is an integer number (9060671592).

Almost surely, 2^117922493785 is an apocalyptic number.

It is an amenable number.

117922493785 is a deficient number, since it is larger than the sum of its proper divisors (27048251687).

117922493785 is a wasteful number, since it uses less digits than its factorization.

117922493785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49104.

The product of its digits is 7620480, while the sum is 58.

The spelling of 117922493785 in words is "one hundred seventeen billion, nine hundred twenty-two million, four hundred ninety-three thousand, seven hundred eighty-five".