117862893128 has 12 divisors (see below), whose sum is σ = 220994745315. Its totient is φ = 58930961048.

The previous prime is 117862893091. The next prime is 117862893133. The reversal of 117862893128 is 821398268711.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 58931446564 + 58931446564 = 242758^2 + 242758^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=242758.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 910343 + ... + 1031721.

Almost surely, 2^117862893128 is an apocalyptic number.

It is an amenable number.

117862893128 is a deficient number, since it is larger than the sum of its proper divisors (103131852187).

117862893128 is an frugal number, since it uses more digits than its factorization.

117862893128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242764 (or 121381 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 56.

The spelling of 117862893128 in words is "one hundred seventeen billion, eight hundred sixty-two million, eight hundred ninety-three thousand, one hundred twenty-eight".