696638487 has 8 divisors (see below), whose sum is σ = 930289536. Its totient is φ = 463706552.

The previous prime is 696638473. The next prime is 696638491. The reversal of 696638487 is 784836696.

It is a happy number.

696638487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 696638487 - 2⁴ = 696638471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696638407) 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, 177513 + ... + 181394.

It is an arithmetic number, because the mean of its divisors is an integer number (116286192).

Almost surely, 2^696638487 is an apocalyptic number.

696638487 is a deficient number, since it is larger than the sum of its proper divisors (233651049).

696638487 is a wasteful number, since it uses less digits than its factorization.

696638487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359557.

The product of its digits is 10450944, while the sum is 57.

The square root of 696638487 is about 26393.9100362186. The cubic root of 696638487 is about 886.4804344552.

The spelling of 696638487 in words is "six hundred ninety-six million, six hundred thirty-eight thousand, four hundred eighty-seven".