117972433 has 2 divisors, whose sum is σ = 117972434. Its totient is φ = 117972432.

The previous prime is 117972427. The next prime is 117972473. The reversal of 117972433 is 334279711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106357969 + 11614464 = 10313^2 + 3408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117972433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117972392 and 117972401.

It is not a weakly prime, because it can be changed into another prime (117972403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58986216 + 58986217.

It is an arithmetic number, because the mean of its divisors is an integer number (58986217).

Almost surely, 2^117972433 is an apocalyptic number.

It is an amenable number.

117972433 is a deficient number, since it is larger than the sum of its proper divisors (1).

117972433 is an equidigital number, since it uses as much as digits as its factorization.

117972433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 37.

The square root of 117972433 is about 10861.5115430588. The cubic root of 117972433 is about 490.4486145562.

The spelling of 117972433 in words is "one hundred seventeen million, nine hundred seventy-two thousand, four hundred thirty-three".