696878697 has 16 divisors (see below), whose sum is σ = 936320000. Its totient is φ = 461024784.

The previous prime is 696878687. The next prime is 696878711. The reversal of 696878697 is 796878696.

It is a happy number.

It is not a de Polignac number, because 696878697 - 2¹⁰ = 696877673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (696878647) 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 15 ways as a sum of consecutive naturals, for example, 260754 + ... + 263412.

It is an arithmetic number, because the mean of its divisors is an integer number (58520000).

Almost surely, 2^696878697 is an apocalyptic number.

It is an amenable number.

696878697 is a deficient number, since it is larger than the sum of its proper divisors (239441303).

696878697 is a wasteful number, since it uses less digits than its factorization.

696878697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300.

The product of its digits is 54867456, while the sum is 66.

The square root of 696878697 is about 26398.4601255452. The cubic root of 696878697 is about 886.5823127363.

Subtracting 696878697 from its reverse (796878696), we obtain a palindrome (99999999).

The spelling of 696878697 in words is "six hundred ninety-six million, eight hundred seventy-eight thousand, six hundred ninety-seven".