117273897739 has 4 divisors (see below), whose sum is σ = 117312515824. Its totient is φ = 117235279656.

The previous prime is 117273897701. The next prime is 117273897743. The reversal of 117273897739 is 937798372711.

It is a happy number.

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 117273897739 - 2¹¹ = 117273895691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117273897779) 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, 19304487 + ... + 19310560.

It is an arithmetic number, because the mean of its divisors is an integer number (29328128956).

Almost surely, 2^117273897739 is an apocalyptic number.

117273897739 is a deficient number, since it is larger than the sum of its proper divisors (38618085).

117273897739 is an equidigital number, since it uses as much as digits as its factorization.

117273897739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38618084.

The product of its digits is 28005264, while the sum is 64.

The spelling of 117273897739 in words is "one hundred seventeen billion, two hundred seventy-three million, eight hundred ninety-seven thousand, seven hundred thirty-nine".