117446777 has 12 divisors (see below), whose sum is σ = 138864996. Its totient is φ = 99015840.

The previous prime is 117446713. The next prime is 117446801. The reversal of 117446777 is 777644711.

It can be written as a sum of positive squares in 2 ways, for example, as 56310016 + 61136761 = 7504^2 + 7819^2 .

It is not a de Polignac number, because 117446777 - 2⁶ = 117446713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117446477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16658 + ... + 22635.

It is an arithmetic number, because the mean of its divisors is an integer number (11572083).

Almost surely, 2^117446777 is an apocalyptic number.

It is an amenable number.

117446777 is a deficient number, since it is larger than the sum of its proper divisors (21418219).

117446777 is an equidigital number, since it uses as much as digits as its factorization.

117446777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39368 (or 39361 counting only the distinct ones).

The product of its digits is 230496, while the sum is 44.

The square root of 117446777 is about 10837.2864223476. The cubic root of 117446777 is about 489.7190906906.

The spelling of 117446777 in words is "one hundred seventeen million, four hundred forty-six thousand, seven hundred seventy-seven".