117478567 has 2 divisors, whose sum is σ = 117478568. Its totient is φ = 117478566.

The previous prime is 117478511. The next prime is 117478579. The reversal of 117478567 is 765874711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117478567 - 2¹⁵ = 117445799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117478267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58739283 + 58739284.

It is an arithmetic number, because the mean of its divisors is an integer number (58739284).

Almost surely, 2^117478567 is an apocalyptic number.

117478567 is a deficient number, since it is larger than the sum of its proper divisors (1).

117478567 is an equidigital number, since it uses as much as digits as its factorization.

117478567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 329280, while the sum is 46.

The square root of 117478567 is about 10838.7530186825. The cubic root of 117478567 is about 489.7632717397.

The spelling of 117478567 in words is "one hundred seventeen million, four hundred seventy-eight thousand, five hundred sixty-seven".