117426520667 has 4 divisors (see below), whose sum is σ = 123606863880. Its totient is φ = 111246177456.

The previous prime is 117426520663. The next prime is 117426520691. The reversal of 117426520667 is 766025624711.

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

It is a cyclic number.

It is not a de Polignac number, because 117426520667 - 2² = 117426520663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117426520663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3090171578 + ... + 3090171615.

It is an arithmetic number, because the mean of its divisors is an integer number (30901715970).

Almost surely, 2^117426520667 is an apocalyptic number.

117426520667 is a deficient number, since it is larger than the sum of its proper divisors (6180343213).

117426520667 is an equidigital number, since it uses as much as digits as its factorization.

117426520667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6180343212.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 117426520667 in words is "one hundred seventeen billion, four hundred twenty-six million, five hundred twenty thousand, six hundred sixty-seven".