697716143 has 4 divisors (see below), whose sum is σ = 699373848. Its totient is φ = 696058440.

The previous prime is 697716113. The next prime is 697716167. The reversal of 697716143 is 341617796.

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 697716143 - 2¹⁴ = 697699759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 697716094 and 697716103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697716113) 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, 828221 + ... + 829062.

It is an arithmetic number, because the mean of its divisors is an integer number (174843462).

Almost surely, 2^697716143 is an apocalyptic number.

697716143 is a deficient number, since it is larger than the sum of its proper divisors (1657705).

697716143 is a wasteful number, since it uses less digits than its factorization.

697716143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657704.

The product of its digits is 190512, while the sum is 44.

The square root of 697716143 is about 26414.3170080167. The cubic root of 697716143 is about 886.9373088086.

The spelling of 697716143 in words is "six hundred ninety-seven million, seven hundred sixteen thousand, one hundred forty-three".