699706607 has 2 divisors, whose sum is σ = 699706608. Its totient is φ = 699706606.

The previous prime is 699706591. The next prime is 699706619. The reversal of 699706607 is 706607996.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 699706607 - 2⁴ = 699706591 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (699706507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349853303 + 349853304.

It is an arithmetic number, because the mean of its divisors is an integer number (349853304).

Almost surely, 2^699706607 is an apocalyptic number.

699706607 is a deficient number, since it is larger than the sum of its proper divisors (1).

699706607 is an equidigital number, since it uses as much as digits as its factorization.

699706607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 699706607 is about 26451.9679230109. The cubic root of 699706607 is about 887.7799344937.

The spelling of 699706607 in words is "six hundred ninety-nine million, seven hundred six thousand, six hundred seven".