689055622476 has 36 divisors (see below), whose sum is σ = 1740986696232. Its totient is φ = 212017113984.

The previous prime is 689055622469. The next prime is 689055622481. The reversal of 689055622476 is 674226550986.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169883481 + ... + 169887536.

It is an arithmetic number, because the mean of its divisors is an integer number (48360741562).

Almost surely, 2^689055622476 is an apocalyptic number.

It is an amenable number.

689055622476 is an abundant number, since it is smaller than the sum of its proper divisors (1051931073756).

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

689055622476 is a wasteful number, since it uses less digits than its factorization.

689055622476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339771050 (or 339771035 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 60.

The spelling of 689055622476 in words is "six hundred eighty-nine billion, fifty-five million, six hundred twenty-two thousand, four hundred seventy-six".