117839023242 has 16 divisors (see below), whose sum is σ = 242047723872. Its totient is φ = 38218061520.

The previous prime is 117839023231. The next prime is 117839023277. The reversal of 117839023242 is 242320938711.

It is a junction number, because it is equal to n+sod(n) for n = 117839023194 and 117839023203.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 265402984 + ... + 265403427.

It is an arithmetic number, because the mean of its divisors is an integer number (15127982742).

Almost surely, 2^117839023242 is an apocalyptic number.

117839023242 is an abundant number, since it is smaller than the sum of its proper divisors (124208700630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117839023242 is a wasteful number, since it uses less digits than its factorization.

117839023242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530806453.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 117839023242 in words is "one hundred seventeen billion, eight hundred thirty-nine million, twenty-three thousand, two hundred forty-two".