719988966 has 32 divisors (see below), whose sum is σ = 1602050400. Its totient is φ = 239685120.

The previous prime is 719988961. The next prime is 719988967. The reversal of 719988966 is 669889917.

719988966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×719988966² = 1036768222323498312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (719988961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35446 + ... + 51926.

It is an arithmetic number, because the mean of its divisors is an integer number (50064075).

Almost surely, 2^719988966 is an apocalyptic number.

719988966 is an abundant number, since it is smaller than the sum of its proper divisors (882061434).

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

719988966 is a wasteful number, since it uses less digits than its factorization.

719988966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17301 (or 17295 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 63.

The square root of 719988966 is about 26832.6101227592. The cubic root of 719988966 is about 896.2763707862.

The spelling of 719988966 in words is "seven hundred nineteen million, nine hundred eighty-eight thousand, nine hundred sixty-six".