695559997 has 16 divisors (see below), whose sum is σ = 793203840. Its totient is φ = 603750400.

The previous prime is 695559979. The next prime is 695560001. The reversal of 695559997 is 799955596.

It is not a de Polignac number, because 695559997 - 2⁷ = 695559869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695559967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160029 + ... + 164317.

It is an arithmetic number, because the mean of its divisors is an integer number (49575240).

Almost surely, 2^695559997 is an apocalyptic number.

It is an amenable number.

695559997 is a deficient number, since it is larger than the sum of its proper divisors (97643843).

695559997 is a wasteful number, since it uses less digits than its factorization.

695559997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964.

The product of its digits is 34445250, while the sum is 64.

The square root of 695559997 is about 26373.4714628166. The cubic root of 695559997 is about 886.0227345643.

The spelling of 695559997 in words is "six hundred ninety-five million, five hundred fifty-nine thousand, nine hundred ninety-seven".