117751790 has 16 divisors (see below), whose sum is σ = 228257568. Its totient is φ = 43477536.

The previous prime is 117751747. The next prime is 117751807. The reversal of 117751790 is 97157711.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452762 + ... + 453021.

It is an arithmetic number, because the mean of its divisors is an integer number (14266098).

Almost surely, 2^117751790 is an apocalyptic number.

117751790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117751790 is a deficient number, since it is larger than the sum of its proper divisors (110505778).

117751790 is a wasteful number, since it uses less digits than its factorization.

117751790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905803.

The product of its (nonzero) digits is 15435, while the sum is 38.

The square root of 117751790 is about 10851.3496856382. The cubic root of 117751790 is about 490.1426628886.

The spelling of 117751790 in words is "one hundred seventeen million, seven hundred fifty-one thousand, seven hundred ninety".