697940085 has 8 divisors (see below), whose sum is σ = 1116704160. Its totient is φ = 372234704.

The previous prime is 697940081. The next prime is 697940119. The reversal of 697940085 is 580049796.

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

It is a cyclic number.

It is not a de Polignac number, because 697940085 - 2² = 697940081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697940081) 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, 23264655 + ... + 23264684.

It is an arithmetic number, because the mean of its divisors is an integer number (139588020).

Almost surely, 2^697940085 is an apocalyptic number.

It is an amenable number.

697940085 is a deficient number, since it is larger than the sum of its proper divisors (418764075).

697940085 is a wasteful number, since it uses less digits than its factorization.

697940085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46529347.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 697940085 is about 26418.5556948142. Note that the first 3 decimals coincide. The cubic root of 697940085 is about 887.0321904068.

The spelling of 697940085 in words is "six hundred ninety-seven million, nine hundred forty thousand, eighty-five".