695663397 has 160 divisors (see below), whose sum is σ = 1341648000. Its totient is φ = 352719360.

The previous prime is 695663393. The next prime is 695663399. The reversal of 695663397 is 793366596.

It is a happy number.

It is not a de Polignac number, because 695663397 - 2² = 695663393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695663393) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 6382179 + ... + 6382287.

It is an arithmetic number, because the mean of its divisors is an integer number (8385300).

Almost surely, 2^695663397 is an apocalyptic number.

It is an amenable number.

695663397 is a deficient number, since it is larger than the sum of its proper divisors (645984603).

695663397 is a wasteful number, since it uses less digits than its factorization.

695663397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 184 counting only the distinct ones).

The product of its digits is 5511240, while the sum is 54.

The square root of 695663397 is about 26375.4316931496. The cubic root of 695663397 is about 886.0666369412.

The spelling of 695663397 in words is "six hundred ninety-five million, six hundred sixty-three thousand, three hundred ninety-seven".