695577638 has 24 divisors (see below), whose sum is σ = 1266486192. Its totient is φ = 285142704.

The previous prime is 695577637. The next prime is 695577677. The reversal of 695577638 is 836775596.

695577638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695577637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152045 + ... + 156552.

It is an arithmetic number, because the mean of its divisors is an integer number (52770258).

Almost surely, 2^695577638 is an apocalyptic number.

695577638 is a deficient number, since it is larger than the sum of its proper divisors (570908554).

695577638 is a wasteful number, since it uses less digits than its factorization.

695577638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308636 (or 308629 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 56.

The square root of 695577638 is about 26373.8059066188. The cubic root of 695577638 is about 886.0302250252.

The spelling of 695577638 in words is "six hundred ninety-five million, five hundred seventy-seven thousand, six hundred thirty-eight".