117263647 has 2 divisors, whose sum is σ = 117263648. Its totient is φ = 117263646.

The previous prime is 117263639. The next prime is 117263681. The reversal of 117263647 is 746362711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117263647 - 2³ = 117263639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117263347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58631823 + 58631824.

It is an arithmetic number, because the mean of its divisors is an integer number (58631824).

Almost surely, 2^117263647 is an apocalyptic number.

117263647 is a deficient number, since it is larger than the sum of its proper divisors (1).

117263647 is an equidigital number, since it uses as much as digits as its factorization.

117263647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 37.

The square root of 117263647 is about 10828.8340554281. The cubic root of 117263647 is about 489.4644252372.

The spelling of 117263647 in words is "one hundred seventeen million, two hundred sixty-three thousand, six hundred forty-seven".