117777789600 has 144 divisors (see below), whose sum is σ = 385314275808. Its totient is φ = 31247856640.

The previous prime is 117777789559. The next prime is 117777789617. The reversal of 117777789600 is 6987777711.

It is a Harshad number since it is a multiple of its sum of digits (60).

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 23 ways as a sum of consecutive naturals, for example, 348247 + ... + 597353.

It is an arithmetic number, because the mean of its divisors is an integer number (2675793582).

Almost surely, 2^117777789600 is an apocalyptic number.

117777789600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117777789600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192657137904).

117777789600 is an abundant number, since it is smaller than the sum of its proper divisors (267536486208).

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

117777789600 is a wasteful number, since it uses less digits than its factorization.

117777789600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249327 (or 249314 counting only the distinct ones).

The product of its (nonzero) digits is 7260624, while the sum is 60.

The spelling of 117777789600 in words is "one hundred seventeen billion, seven hundred seventy-seven million, seven hundred eighty-nine thousand, six hundred".