117213673508 has 6 divisors (see below), whose sum is σ = 205123928646. Its totient is φ = 58606836752.

The previous prime is 117213673481. The next prime is 117213673513. The reversal of 117213673508 is 805376312711.

It can be written as a sum of positive squares in only one way, i.e., 75972999424 + 41240674084 = 275632^2 + 203078^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14651709185 + ... + 14651709192.

It is an arithmetic number, because the mean of its divisors is an integer number (34187321441).

Almost surely, 2^117213673508 is an apocalyptic number.

It is an amenable number.

117213673508 is a deficient number, since it is larger than the sum of its proper divisors (87910255138).

117213673508 is a wasteful number, since it uses less digits than its factorization.

117213673508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29303418381 (or 29303418379 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 117213673508 in words is "one hundred seventeen billion, two hundred thirteen million, six hundred seventy-three thousand, five hundred eight".