699660963 has 8 divisors (see below), whose sum is σ = 1036534800. Its totient is φ = 466440624.

The previous prime is 699660937. The next prime is 699660977. The reversal of 699660963 is 369066996.

It is not a de Polignac number, because 699660963 - 2²² = 695466659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (699665963) 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, 12956658 + ... + 12956711.

It is an arithmetic number, because the mean of its divisors is an integer number (129566850).

Almost surely, 2^699660963 is an apocalyptic number.

699660963 is a deficient number, since it is larger than the sum of its proper divisors (336873837).

699660963 is a wasteful number, since it uses less digits than its factorization.

699660963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25913378 (or 25913372 counting only the distinct ones).

The product of its (nonzero) digits is 2834352, while the sum is 54.

The square root of 699660963 is about 26451.1051375930. The cubic root of 699660963 is about 887.7606298747.

The spelling of 699660963 in words is "six hundred ninety-nine million, six hundred sixty thousand, nine hundred sixty-three".