117075977 has 4 divisors (see below), whose sum is σ = 117116436. Its totient is φ = 117035520.

The previous prime is 117075961. The next prime is 117075979. The reversal of 117075977 is 779570711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 779570711 = 4523 ⋅172357.

It can be written as a sum of positive squares in 2 ways, for example, as 111175936 + 5900041 = 10544^2 + 2429^2 .

It is a cyclic number.

It is not a de Polignac number, because 117075977 - 2⁴ = 117075961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117075979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15524 + ... + 21797.

It is an arithmetic number, because the mean of its divisors is an integer number (29279109).

Almost surely, 2^117075977 is an apocalyptic number.

It is an amenable number.

117075977 is a deficient number, since it is larger than the sum of its proper divisors (40459).

117075977 is an equidigital number, since it uses as much as digits as its factorization.

117075977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40458.

The product of its (nonzero) digits is 108045, while the sum is 44.

The square root of 117075977 is about 10820.1652944860. The cubic root of 117075977 is about 489.2031711087.

The spelling of 117075977 in words is "one hundred seventeen million, seventy-five thousand, nine hundred seventy-seven".