117952506778 has 8 divisors (see below), whose sum is σ = 176967925920. Its totient is φ = 58963198140.

The previous prime is 117952506773. The next prime is 117952506799. The reversal of 117952506778 is 877605259711.

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

It is not an unprimeable number, because it can be changed into a prime (117952506773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6516328 + ... + 6534403.

It is an arithmetic number, because the mean of its divisors is an integer number (22120990740).

Almost surely, 2^117952506778 is an apocalyptic number.

117952506778 is a deficient number, since it is larger than the sum of its proper divisors (59015419142).

117952506778 is a wasteful number, since it uses less digits than its factorization.

117952506778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13055252.

The product of its (nonzero) digits is 7408800, while the sum is 58.

The spelling of 117952506778 in words is "one hundred seventeen billion, nine hundred fifty-two million, five hundred six thousand, seven hundred seventy-eight".