117963457 has 4 divisors (see below), whose sum is σ = 124172080. Its totient is φ = 111754836.

The previous prime is 117963409. The next prime is 117963499. The reversal of 117963457 is 754369711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 754369711 = 19 ⋅39703669.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117963457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117967457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3104283 + ... + 3104320.

It is an arithmetic number, because the mean of its divisors is an integer number (31043020).

Almost surely, 2^117963457 is an apocalyptic number.

It is an amenable number.

117963457 is a deficient number, since it is larger than the sum of its proper divisors (6208623).

117963457 is an equidigital number, since it uses as much as digits as its factorization.

117963457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6208622.

The product of its digits is 158760, while the sum is 43.

The square root of 117963457 is about 10861.0983330416. The cubic root of 117963457 is about 490.4361755530.

The spelling of 117963457 in words is "one hundred seventeen million, nine hundred sixty-three thousand, four hundred fifty-seven".