117802471 has 4 divisors (see below), whose sum is σ = 120675744. Its totient is φ = 114929200.

The previous prime is 117802463. The next prime is 117802483. The reversal of 117802471 is 174208711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117802471 - 2³ = 117802463 is a prime.

It is a super-3 number, since 3×117802471³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117802441) 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, 1436575 + ... + 1436656.

It is an arithmetic number, because the mean of its divisors is an integer number (30168936).

Almost surely, 2^117802471 is an apocalyptic number.

117802471 is a deficient number, since it is larger than the sum of its proper divisors (2873273).

117802471 is an equidigital number, since it uses as much as digits as its factorization.

117802471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873272.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 117802471 is about 10853.6846738792. The cubic root of 117802471 is about 490.2129728099.

The spelling of 117802471 in words is "one hundred seventeen million, eight hundred two thousand, four hundred seventy-one".