117749499867 has 6 divisors (see below), whose sum is σ = 170082610932. Its totient is φ = 78499666572.

The previous prime is 117749499851. The next prime is 117749499883. The reversal of 117749499867 is 768994947711.

117749499867 is a `hidden beast` number, since 1 + 1 + 7 + 74 + 9 + 499 + 8 + 67 = 666.

It is an interprime number because it is at equal distance from previous prime (117749499851) and next prime (117749499883).

It is not a de Polignac number, because 117749499867 - 2⁴ = 117749499851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117749499795 and 117749499804.

It is not an unprimeable number, because it can be changed into a prime (117749499167) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 6541638873 + ... + 6541638890.

It is an arithmetic number, because the mean of its divisors is an integer number (28347101822).

Almost surely, 2^117749499867 is an apocalyptic number.

117749499867 is a deficient number, since it is larger than the sum of its proper divisors (52333111065).

117749499867 is a wasteful number, since it uses less digits than its factorization.

117749499867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13083277769 (or 13083277766 counting only the distinct ones).

The product of its digits is 192036096, while the sum is 72.

The spelling of 117749499867 in words is "one hundred seventeen billion, seven hundred forty-nine million, four hundred ninety-nine thousand, eight hundred sixty-seven".