898279297764 has 24 divisors (see below), whose sum is σ = 2219278265568. Its totient is φ = 281813112960.

The previous prime is 898279297691. The next prime is 898279297777. The reversal of 898279297764 is 467792972898.

It is a self number, because there is not a number n which added to its sum of digits gives 898279297764.

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 7 ways as a sum of consecutive naturals, for example, 2201664742 + ... + 2201665149.

It is an arithmetic number, because the mean of its divisors is an integer number (92469927732).

Almost surely, 2^898279297764 is an apocalyptic number.

It is an amenable number.

898279297764 is an abundant number, since it is smaller than the sum of its proper divisors (1320998967804).

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

898279297764 is a wasteful number, since it uses less digits than its factorization.

898279297764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4403329915 (or 4403329913 counting only the distinct ones).

The product of its digits is 1536288768, while the sum is 78.

The spelling of 898279297764 in words is "eight hundred ninety-eight billion, two hundred seventy-nine million, two hundred ninety-seven thousand, seven hundred sixty-four".