716088509 has 4 divisors (see below), whose sum is σ = 747222816. Its totient is φ = 684954204.

The previous prime is 716088497. The next prime is 716088517. The reversal of 716088509 is 905880617.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 716088509 - 2²⁰ = 715039933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 716088509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716088539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15567119 + ... + 15567164.

It is an arithmetic number, because the mean of its divisors is an integer number (186805704).

Almost surely, 2^716088509 is an apocalyptic number.

It is an amenable number.

716088509 is a deficient number, since it is larger than the sum of its proper divisors (31134307).

716088509 is a wasteful number, since it uses less digits than its factorization.

716088509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31134306.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 716088509 is about 26759.8301377270. The cubic root of 716088509 is about 894.6549480823.

The spelling of 716088509 in words is "seven hundred sixteen million, eighty-eight thousand, five hundred nine".