117191077754 has 4 divisors (see below), whose sum is σ = 175786616634. Its totient is φ = 58595538876.

The previous prime is 117191077739. The next prime is 117191077769. The reversal of 117191077754 is 457770191711.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (117191077739) and next prime (117191077769).

It can be written as a sum of positive squares in only one way, i.e., 101268423529 + 15922654225 = 318227^2 + 126185^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29297769437 + ... + 29297769440.

Almost surely, 2^117191077754 is an apocalyptic number.

117191077754 is a deficient number, since it is larger than the sum of its proper divisors (58595538880).

117191077754 is an equidigital number, since it uses as much as digits as its factorization.

117191077754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58595538879.

The product of its (nonzero) digits is 432180, while the sum is 50.

The spelling of 117191077754 in words is "one hundred seventeen billion, one hundred ninety-one million, seventy-seven thousand, seven hundred fifty-four".