699666996 has 48 divisors (see below), whose sum is σ = 1884274560. Its totient is φ = 197923200.

The previous prime is 699666983. The next prime is 699667027.

699666996 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32751 + ... + 49718.

It is an arithmetic number, because the mean of its divisors is an integer number (39255720).

Almost surely, 2^699666996 is an apocalyptic number.

It is an amenable number.

699666996 is an abundant number, since it is smaller than the sum of its proper divisors (1184607564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

699666996 is a wasteful number, since it uses less digits than its factorization.

699666996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82584 (or 82582 counting only the distinct ones).

The product of its digits is 51018336, while the sum is 66.

The square root of 699666996 is about 26451.2191779509. The cubic root of 699666996 is about 887.7631815127.

The spelling of 699666996 in words is "six hundred ninety-nine million, six hundred sixty-six thousand, nine hundred ninety-six".