117803779730 has 96 divisors (see below), whose sum is σ = 265805245440. Its totient is φ = 37259913600.

The previous prime is 117803779673. The next prime is 117803779733. The reversal of 117803779730 is 37977308711.

It is not an unprimeable number, because it can be changed into a prime (117803779733) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 12423131 + ... + 12432609.

It is an arithmetic number, because the mean of its divisors is an integer number (2768804640).

Almost surely, 2^117803779730 is an apocalyptic number.

117803779730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117803779730 is an abundant number, since it is smaller than the sum of its proper divisors (148001465710).

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

117803779730 is a wasteful number, since it uses less digits than its factorization.

117803779730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11464 (or 11457 counting only the distinct ones).

The product of its (nonzero) digits is 1555848, while the sum is 53.

The spelling of 117803779730 in words is "one hundred seventeen billion, eight hundred three million, seven hundred seventy-nine thousand, seven hundred thirty".