716087887 has 4 divisors (see below), whose sum is σ = 716175216. Its totient is φ = 716000560.

The previous prime is 716087863. The next prime is 716087909. The reversal of 716087887 is 788780617.

It is a happy number.

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 716087887 - 2¹⁹ = 715563599 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 (716087857) 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, 29923 + ... + 48244.

It is an arithmetic number, because the mean of its divisors is an integer number (179043804).

Almost surely, 2^716087887 is an apocalyptic number.

716087887 is a deficient number, since it is larger than the sum of its proper divisors (87329).

716087887 is an equidigital number, since it uses as much as digits as its factorization.

716087887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87328.

The product of its (nonzero) digits is 1053696, while the sum is 52.

The square root of 716087887 is about 26759.8185158270. The cubic root of 716087887 is about 894.6546890475.

The spelling of 716087887 in words is "seven hundred sixteen million, eighty-seven thousand, eight hundred eighty-seven".