696558628 has 6 divisors (see below), whose sum is σ = 1218977606. Its totient is φ = 348279312.

The previous prime is 696558613. The next prime is 696558637. The reversal of 696558628 is 826855696.

It can be written as a sum of positive squares in only one way, i.e., 551404324 + 145154304 = 23482^2 + 12048^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87069825 + ... + 87069832.

Almost surely, 2^696558628 is an apocalyptic number.

It is an amenable number.

696558628 is a deficient number, since it is larger than the sum of its proper divisors (522418978).

696558628 is a wasteful number, since it uses less digits than its factorization.

696558628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174139661 (or 174139659 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 55.

The square root of 696558628 is about 26392.3971628194. The cubic root of 696558628 is about 886.4465593308.

The spelling of 696558628 in words is "six hundred ninety-six million, five hundred fifty-eight thousand, six hundred twenty-eight".