699127397 has 16 divisors (see below), whose sum is σ = 759974400. Its totient is φ = 640620288.

The previous prime is 699127393. The next prime is 699127409. The reversal of 699127397 is 793721996.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 699127397 - 2² = 699127393 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 (699127393) 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 15 ways as a sum of consecutive naturals, for example, 156803 + ... + 161199.

It is an arithmetic number, because the mean of its divisors is an integer number (47498400).

Almost surely, 2^699127397 is an apocalyptic number.

It is an amenable number.

699127397 is a deficient number, since it is larger than the sum of its proper divisors (60847003).

699127397 is a wasteful number, since it uses less digits than its factorization.

699127397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660.

The product of its digits is 1285956, while the sum is 53.

The square root of 699127397 is about 26441.0173215782. The cubic root of 699127397 is about 887.5349018080.

The spelling of 699127397 in words is "six hundred ninety-nine million, one hundred twenty-seven thousand, three hundred ninety-seven".