117234155487 has 8 divisors (see below), whose sum is σ = 159947375104. Its totient is φ = 76338519768.

The previous prime is 117234155473. The next prime is 117234155501. The reversal of 117234155487 is 784551432711.

It is an interprime number because it is at equal distance from previous prime (117234155473) and next prime (117234155501).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117234155487 - 2²⁸ = 116965720031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117234150487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454395823 + ... + 454396080.

It is an arithmetic number, because the mean of its divisors is an integer number (19993421888).

Almost surely, 2^117234155487 is an apocalyptic number.

117234155487 is a deficient number, since it is larger than the sum of its proper divisors (42713219617).

117234155487 is an equidigital number, since it uses as much as digits as its factorization.

117234155487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908791949.

The product of its digits is 940800, while the sum is 48.

The spelling of 117234155487 in words is "one hundred seventeen billion, two hundred thirty-four million, one hundred fifty-five thousand, four hundred eighty-seven".