117900969 has 16 divisors (see below), whose sum is σ = 161202624. Its totient is φ = 76608000.

The previous prime is 117900931. The next prime is 117900971. The reversal of 117900969 is 969009711.

It is not a de Polignac number, because 117900969 - 2⁷ = 117900841 is a prime.

It is a super-2 number, since 2×117900969² = 27801276982277922, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 117900969.

It is not an unprimeable number, because it can be changed into a prime (117900269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97569 + ... + 98769.

It is an arithmetic number, because the mean of its divisors is an integer number (10075164).

Almost surely, 2^117900969 is an apocalyptic number.

It is an amenable number.

117900969 is a deficient number, since it is larger than the sum of its proper divisors (43301655).

117900969 is a wasteful number, since it uses less digits than its factorization.

117900969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008.

The product of its (nonzero) digits is 30618, while the sum is 42.

The square root of 117900969 is about 10858.2212631720. The cubic root of 117900969 is about 490.3495617562.

The spelling of 117900969 in words is "one hundred seventeen million, nine hundred thousand, nine hundred sixty-nine".