690982680 has 64 divisors (see below), whose sum is σ = 2194892640. Its totient is φ = 173422592.

The previous prime is 690982679. The next prime is 690982711. The reversal of 690982680 is 86289096.

690982680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 167319 + ... + 171398.

Almost surely, 2^690982680 is an apocalyptic number.

690982680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

690982680 is an abundant number, since it is smaller than the sum of its proper divisors (1503909960).

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

690982680 is a wasteful number, since it uses less digits than its factorization.

690982680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338748 (or 338744 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 690982680 is about 26286.5494121994. The cubic root of 690982680 is about 884.0748863349.

The spelling of 690982680 in words is "six hundred ninety million, nine hundred eighty-two thousand, six hundred eighty".