117562439 has 4 divisors (see below), whose sum is σ = 119218320. Its totient is φ = 115906560.

The previous prime is 117562411. The next prime is 117562469. The reversal of 117562439 is 934265711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934265711 = 29 ⋅32216059.

It is a cyclic number.

It is not a de Polignac number, because 117562439 - 2⁸ = 117562183 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117562469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827834 + ... + 827975.

It is an arithmetic number, because the mean of its divisors is an integer number (29804580).

Almost surely, 2^117562439 is an apocalyptic number.

117562439 is a deficient number, since it is larger than the sum of its proper divisors (1655881).

117562439 is an equidigital number, since it uses as much as digits as its factorization.

117562439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655880.

The product of its digits is 45360, while the sum is 38.

The square root of 117562439 is about 10842.6214081282. The cubic root of 117562439 is about 489.8797969763.

The spelling of 117562439 in words is "one hundred seventeen million, five hundred sixty-two thousand, four hundred thirty-nine".