117771846 has 32 divisors (see below), whose sum is σ = 241103616. Its totient is φ = 38340000.

The previous prime is 117771839. The next prime is 117771853. The reversal of 117771846 is 648177711.

It is an interprime number because it is at equal distance from previous prime (117771839) and next prime (117771853).

It is a junction number, because it is equal to n+sod(n) for n = 117771798 and 117771807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54201 + ... + 56331.

It is an arithmetic number, because the mean of its divisors is an integer number (7534488).

Almost surely, 2^117771846 is an apocalyptic number.

117771846 is an abundant number, since it is smaller than the sum of its proper divisors (123331770).

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

117771846 is a wasteful number, since it uses less digits than its factorization.

117771846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348.

The product of its digits is 65856, while the sum is 42.

The square root of 117771846 is about 10852.2737709662. The cubic root of 117771846 is about 490.1704890563.

The spelling of 117771846 in words is "one hundred seventeen million, seven hundred seventy-one thousand, eight hundred forty-six".