696607128 has 288 divisors, whose sum is σ = 2330415360. Its totient is φ = 194322240.

The previous prime is 696607123. The next prime is 696607133. The reversal of 696607128 is 821706696.

It is an interprime number because it is at equal distance from previous prime (696607123) and next prime (696607133).

It is a super-2 number, since 2×696607128² = 970522981560816768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696607123) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6763125 + ... + 6763227.

It is an arithmetic number, because the mean of its divisors is an integer number (8091720).

Almost surely, 2^696607128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 696607128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1165207680).

696607128 is an abundant number, since it is smaller than the sum of its proper divisors (1633808232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

696607128 is a wasteful number, since it uses less digits than its factorization.

696607128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 696607128 is about 26393.3159720411. The cubic root of 696607128 is about 886.4671326937.

The spelling of 696607128 in words is "six hundred ninety-six million, six hundred seven thousand, one hundred twenty-eight".