117494477 has 2 divisors, whose sum is σ = 117494478. Its totient is φ = 117494476.

The previous prime is 117494471. The next prime is 117494539. The reversal of 117494477 is 774494711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106110601 + 11383876 = 10301^2 + 3374^2 .

It is a cyclic number.

It is not a de Polignac number, because 117494477 - 2⁶ = 117494413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117494471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58747238 + 58747239.

It is an arithmetic number, because the mean of its divisors is an integer number (58747239).

Almost surely, 2^117494477 is an apocalyptic number.

It is an amenable number.

117494477 is a deficient number, since it is larger than the sum of its proper divisors (1).

117494477 is an equidigital number, since it uses as much as digits as its factorization.

117494477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 44.

The square root of 117494477 is about 10839.4869343526. The cubic root of 117494477 is about 489.7853801183.

The spelling of 117494477 in words is "one hundred seventeen million, four hundred ninety-four thousand, four hundred seventy-seven".