699676079 has 4 divisors (see below), whose sum is σ = 699989160. Its totient is φ = 699363000.

The previous prime is 699676073. The next prime is 699676141. The reversal of 699676079 is 970676996.

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 699676079 - 2⁴ = 699676063 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 (699676073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153164 + ... + 157665.

It is an arithmetic number, because the mean of its divisors is an integer number (174997290).

Almost surely, 2^699676079 is an apocalyptic number.

699676079 is a deficient number, since it is larger than the sum of its proper divisors (313081).

699676079 is a wasteful number, since it uses less digits than its factorization.

699676079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313080.

The product of its (nonzero) digits is 7715736, while the sum is 59.

The square root of 699676079 is about 26451.3908708030. The cubic root of 699676079 is about 887.7670231107.

The spelling of 699676079 in words is "six hundred ninety-nine million, six hundred seventy-six thousand, seventy-nine".