117377657 has 2 divisors, whose sum is σ = 117377658. Its totient is φ = 117377656.

The previous prime is 117377651. The next prime is 117377677. The reversal of 117377657 is 756773711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112444816 + 4932841 = 10604^2 + 2221^2 .

It is a cyclic number.

It is not a de Polignac number, because 117377657 - 2⁴ = 117377641 is a prime.

It is a super-3 number, since 3×117377657³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (117377651) by changing a digit.

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 as a sum of consecutive naturals, namely, 58688828 + 58688829.

It is an arithmetic number, because the mean of its divisors is an integer number (58688829).

Almost surely, 2^117377657 is an apocalyptic number.

It is an amenable number.

117377657 is a deficient number, since it is larger than the sum of its proper divisors (1).

117377657 is an equidigital number, since it uses as much as digits as its factorization.

117377657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216090, while the sum is 44.

The square root of 117377657 is about 10834.0969628299. The cubic root of 117377657 is about 489.6230017018.

The spelling of 117377657 in words is "one hundred seventeen million, three hundred seventy-seven thousand, six hundred fifty-seven".