696919997 has 8 divisors (see below), whose sum is σ = 713939616. Its totient is φ = 680095152.

The previous prime is 696919969. The next prime is 696920011. The reversal of 696919997 is 799919696.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-696919997 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 (696918997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41438 + ... + 55775.

It is an arithmetic number, because the mean of its divisors is an integer number (89242452).

Almost surely, 2^696919997 is an apocalyptic number.

696919997 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

696919997 is a deficient number, since it is larger than the sum of its proper divisors (17019619).

696919997 is a wasteful number, since it uses less digits than its factorization.

696919997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97387.

The product of its digits is 14880348, while the sum is 65.

The square root of 696919997 is about 26399.2423565526. The cubic root of 696919997 is about 886.5998266051.

The spelling of 696919997 in words is "six hundred ninety-six million, nine hundred nineteen thousand, nine hundred ninety-seven".