696425687 has 4 divisors (see below), whose sum is σ = 696570000. Its totient is φ = 696281376.

The previous prime is 696425683. The next prime is 696425699. The reversal of 696425687 is 786524696.

696425687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 696425687 - 2² = 696425683 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 (696425683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64658 + ... + 74655.

It is an arithmetic number, because the mean of its divisors is an integer number (174142500).

Almost surely, 2^696425687 is an apocalyptic number.

696425687 is a deficient number, since it is larger than the sum of its proper divisors (144313).

696425687 is a wasteful number, since it uses less digits than its factorization.

696425687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144312.

The product of its digits is 4354560, while the sum is 53.

The square root of 696425687 is about 26389.8784953626. The cubic root of 696425687 is about 886.3901617857.

Subtracting 696425687 from its reverse (786524696), we obtain a palindrome (90099009).

The spelling of 696425687 in words is "six hundred ninety-six million, four hundred twenty-five thousand, six hundred eighty-seven".