716384777 has 4 divisors (see below), whose sum is σ = 758525076. Its totient is φ = 674244480.

The previous prime is 716384771. The next prime is 716384783. The reversal of 716384777 is 777483617.

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

It is an interprime number because it is at equal distance from previous prime (716384771) and next prime (716384783).

It can be written as a sum of positive squares in 2 ways, for example, as 289714441 + 426670336 = 17021^2 + 20656^2 .

It is not a de Polignac number, because 716384777 - 2⁴ = 716384761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716384771) 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, 21070124 + ... + 21070157.

It is an arithmetic number, because the mean of its divisors is an integer number (189631269).

Almost surely, 2^716384777 is an apocalyptic number.

It is an amenable number.

716384777 is a deficient number, since it is larger than the sum of its proper divisors (42140299).

716384777 is a wasteful number, since it uses less digits than its factorization.

716384777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42140298.

The product of its digits is 1382976, while the sum is 50.

The square root of 716384777 is about 26765.3652506369. The cubic root of 716384777 is about 894.7783132264.

The spelling of 716384777 in words is "seven hundred sixteen million, three hundred eighty-four thousand, seven hundred seventy-seven".