117029287 has 2 divisors, whose sum is σ = 117029288. Its totient is φ = 117029286.

The previous prime is 117029249. The next prime is 117029291. The reversal of 117029287 is 782920711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117029287 - 2¹⁵ = 116996519 is a prime.

It is a super-3 number, since 3×117029287³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117029687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58514643 + 58514644.

It is an arithmetic number, because the mean of its divisors is an integer number (58514644).

Almost surely, 2^117029287 is an apocalyptic number.

117029287 is a deficient number, since it is larger than the sum of its proper divisors (1).

117029287 is an equidigital number, since it uses as much as digits as its factorization.

117029287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 117029287 is about 10818.0075337374. The cubic root of 117029287 is about 489.1381309139.

Adding to 117029287 its reverse (782920711), we get a palindrome (899949998).

The spelling of 117029287 in words is "one hundred seventeen million, twenty-nine thousand, two hundred eighty-seven".