117439034278 has 4 divisors (see below), whose sum is σ = 176158551420. Its totient is φ = 58719517138.

The previous prime is 117439034263. The next prime is 117439034303. The reversal of 117439034278 is 872430934711.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29359758568 + ... + 29359758571.

It is an arithmetic number, because the mean of its divisors is an integer number (44039637855).

Almost surely, 2^117439034278 is an apocalyptic number.

117439034278 is a deficient number, since it is larger than the sum of its proper divisors (58719517142).

117439034278 is an equidigital number, since it uses as much as digits as its factorization.

117439034278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58719517141.

The product of its (nonzero) digits is 1016064, while the sum is 49.

Adding to 117439034278 its reverse (872430934711), we get a palindrome (989869968989).

The spelling of 117439034278 in words is "one hundred seventeen billion, four hundred thirty-nine million, thirty-four thousand, two hundred seventy-eight".