696979967 has 16 divisors (see below), whose sum is σ = 723824640. Its totient is φ = 670721952.

The previous prime is 696979963. The next prime is 696979973. The reversal of 696979967 is 769979696.

It is a cyclic number.

It is not a de Polignac number, because 696979967 - 2² = 696979963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 696979897 and 696979906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696979963) 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, 1454834 + ... + 1455312.

It is an arithmetic number, because the mean of its divisors is an integer number (45239040).

Almost surely, 2^696979967 is an apocalyptic number.

696979967 is a deficient number, since it is larger than the sum of its proper divisors (26844673).

696979967 is a wasteful number, since it uses less digits than its factorization.

696979967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982.

The product of its digits is 69441624, while the sum is 68.

The square root of 696979967 is about 26400.3781601704. The cubic root of 696979967 is about 886.6252565286.

The spelling of 696979967 in words is "six hundred ninety-six million, nine hundred seventy-nine thousand, nine hundred sixty-seven".