117118577 has 2 divisors, whose sum is σ = 117118578. Its totient is φ = 117118576.

The previous prime is 117118549. The next prime is 117118583. The reversal of 117118577 is 775811711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116661601 + 456976 = 10801^2 + 676^2 .

It is a cyclic number.

It is not a de Polignac number, because 117118577 - 2⁶ = 117118513 is a prime.

It is a super-2 number, since 2×117118577² = 27433522157009858, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117118577.

It is not a weakly prime, because it can be changed into another prime (117118517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58559288 + 58559289.

It is an arithmetic number, because the mean of its divisors is an integer number (58559289).

Almost surely, 2^117118577 is an apocalyptic number.

It is an amenable number.

117118577 is a deficient number, since it is larger than the sum of its proper divisors (1).

117118577 is an equidigital number, since it uses as much as digits as its factorization.

117118577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13720, while the sum is 38.

The square root of 117118577 is about 10822.1336620835. The cubic root of 117118577 is about 489.2624987592.

The spelling of 117118577 in words is "one hundred seventeen million, one hundred eighteen thousand, five hundred seventy-seven".