697113727 has 4 divisors (see below), whose sum is σ = 697627296. Its totient is φ = 696600160.

The previous prime is 697113691. The next prime is 697113787. The reversal of 697113727 is 727311796.

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 697113727 - 2¹⁵ = 697080959 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 (697113787) 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, 254743 + ... + 257464.

It is an arithmetic number, because the mean of its divisors is an integer number (174406824).

Almost surely, 2^697113727 is an apocalyptic number.

697113727 is a deficient number, since it is larger than the sum of its proper divisors (513569).

697113727 is a wasteful number, since it uses less digits than its factorization.

697113727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513568.

The product of its digits is 111132, while the sum is 43.

The square root of 697113727 is about 26402.9113356842. The cubic root of 697113727 is about 886.6819714100.

The spelling of 697113727 in words is "six hundred ninety-seven million, one hundred thirteen thousand, seven hundred twenty-seven".