117502278 has 8 divisors (see below), whose sum is σ = 235004568. Its totient is φ = 39167424.

The previous prime is 117502277. The next prime is 117502279. The reversal of 117502278 is 872205711.

It is an interprime number because it is at equal distance from previous prime (117502277) and next prime (117502279).

It is a sphenic number, since it is the product of 3 distinct primes.

117502278 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117502271) 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 in 3 ways as a sum of consecutive naturals, for example, 9791851 + ... + 9791862.

It is an arithmetic number, because the mean of its divisors is an integer number (29375571).

Almost surely, 2^117502278 is an apocalyptic number.

117502278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117502278 is a wasteful number, since it uses less digits than its factorization.

117502278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19583718.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 117502278 is about 10839.8467701347. The cubic root of 117502278 is about 489.7962195815.

Adding to 117502278 its reverse (872205711), we get a palindrome (989707989).

It can be divided in two parts, 11750 and 2278, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 117502278 in words is "one hundred seventeen million, five hundred two thousand, two hundred seventy-eight".