117987962 has 16 divisors (see below), whose sum is σ = 179165952. Its totient is φ = 58270560.

The previous prime is 117987949. The next prime is 117987983. The reversal of 117987962 is 269789711.

It is a self number, because there is not a number n which added to its sum of digits gives 117987962.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60137 + ... + 62067.

It is an arithmetic number, because the mean of its divisors is an integer number (11197872).

Almost surely, 2^117987962 is an apocalyptic number.

117987962 is a deficient number, since it is larger than the sum of its proper divisors (61177990).

117987962 is a wasteful number, since it uses less digits than its factorization.

117987962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293.

The product of its digits is 381024, while the sum is 50.

The square root of 117987962 is about 10862.2263832052. The cubic root of 117987962 is about 490.4701332624.

The spelling of 117987962 in words is "one hundred seventeen million, nine hundred eighty-seven thousand, nine hundred sixty-two".