694685087 has 12 divisors (see below), whose sum is σ = 741794040. Its totient is φ = 648763920.

The previous prime is 694685063. The next prime is 694685119. The reversal of 694685087 is 780586496.

694685087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 694685087 - 2¹⁶ = 694619551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694684087) 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, 92153 + ... + 99405.

It is an arithmetic number, because the mean of its divisors is an integer number (61816170).

Almost surely, 2^694685087 is an apocalyptic number.

694685087 is a deficient number, since it is larger than the sum of its proper divisors (47108953).

694685087 is an equidigital number, since it uses as much as digits as its factorization.

694685087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7414 (or 7343 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 694685087 is about 26356.8793107227. The cubic root of 694685087 is about 885.6510841888.

The spelling of 694685087 in words is "six hundred ninety-four million, six hundred eighty-five thousand, eighty-seven".