117286742527 has 2 divisors, whose sum is σ = 117286742528. Its totient is φ = 117286742526.

The previous prime is 117286742473. The next prime is 117286742561. The reversal of 117286742527 is 725247682711.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117286742527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117286742327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58643371263 + 58643371264.

It is an arithmetic number, because the mean of its divisors is an integer number (58643371264).

Almost surely, 2^117286742527 is an apocalyptic number.

117286742527 is a deficient number, since it is larger than the sum of its proper divisors (1).

117286742527 is an equidigital number, since it uses as much as digits as its factorization.

117286742527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2634240, while the sum is 52.

The spelling of 117286742527 in words is "one hundred seventeen billion, two hundred eighty-six million, seven hundred forty-two thousand, five hundred twenty-seven".