117867461 has 4 divisors (see below), whose sum is σ = 118305900. Its totient is φ = 117429024.

The previous prime is 117867403. The next prime is 117867467. The reversal of 117867461 is 164768711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42003361 + 75864100 = 6481^2 + 8710^2 .

It is a cyclic number.

It is not a de Polignac number, because 117867461 - 2¹⁴ = 117851077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117867467) 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, 218816 + ... + 219353.

It is an arithmetic number, because the mean of its divisors is an integer number (29576475).

Almost surely, 2^117867461 is an apocalyptic number.

It is an amenable number.

117867461 is a deficient number, since it is larger than the sum of its proper divisors (438439).

117867461 is an equidigital number, since it uses as much as digits as its factorization.

117867461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438438.

The product of its digits is 56448, while the sum is 41.

The square root of 117867461 is about 10856.6781752063. The cubic root of 117867461 is about 490.3031041512.

The spelling of 117867461 in words is "one hundred seventeen million, eight hundred sixty-seven thousand, four hundred sixty-one".