117901227890 has 16 divisors (see below), whose sum is σ = 214323422040. Its totient is φ = 46693555200.

The previous prime is 117901227887. The next prime is 117901227893. The reversal of 117901227890 is 98722109711.

It is an interprime number because it is at equal distance from previous prime (117901227887) and next prime (117901227893).

It can be written as a sum of positive squares in 4 ways, for example, as 109006285921 + 8894941969 = 330161^2 + 94313^2 .

It is not an unprimeable number, because it can be changed into a prime (117901227893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58365935 + ... + 58367954.

Almost surely, 2^117901227890 is an apocalyptic number.

117901227890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117901227890 is a deficient number, since it is larger than the sum of its proper divisors (96422194150).

117901227890 is a wasteful number, since it uses less digits than its factorization.

117901227890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116733997.

The product of its (nonzero) digits is 127008, while the sum is 47.

The spelling of 117901227890 in words is "one hundred seventeen billion, nine hundred one million, two hundred twenty-seven thousand, eight hundred ninety".