117998960487 has 16 divisors (see below), whose sum is σ = 157967040000. Its totient is φ = 78348568032.

The previous prime is 117998960483. The next prime is 117998960537. The reversal of 117998960487 is 784069899711.

It is not a de Polignac number, because 117998960487 - 2² = 117998960483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117998960483) 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 15 ways as a sum of consecutive naturals, for example, 3929253 + ... + 3959169.

It is an arithmetic number, because the mean of its divisors is an integer number (9872940000).

Almost surely, 2^117998960487 is an apocalyptic number.

117998960487 is a deficient number, since it is larger than the sum of its proper divisors (39968079513).

117998960487 is a wasteful number, since it uses less digits than its factorization.

117998960487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35182.

The product of its (nonzero) digits is 54867456, while the sum is 69.

The spelling of 117998960487 in words is "one hundred seventeen billion, nine hundred ninety-eight million, nine hundred sixty thousand, four hundred eighty-seven".