998766068 has 24 divisors (see below), whose sum is σ = 1793939784. Its totient is φ = 486259200.

The previous prime is 998766059. The next prime is 998766077. The reversal of 998766068 is 860667899.

It is an interprime number because it is at equal distance from previous prime (998766059) and next prime (998766077).

It can be written as a sum of positive squares in 4 ways, for example, as 62283664 + 936482404 = 7892^2 + 30602^2 .

It is a junction number, because it is equal to n+sod(n) for n = 998765998 and 998766016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83096 + ... + 94352.

It is an arithmetic number, because the mean of its divisors is an integer number (74747491).

Almost surely, 2^998766068 is an apocalyptic number.

It is an amenable number.

998766068 is a deficient number, since it is larger than the sum of its proper divisors (795173716).

998766068 is a wasteful number, since it uses less digits than its factorization.

998766068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11843 (or 11841 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 59.

The square root of 998766068 is about 31603.2604014206. The cubic root of 998766068 is about 999.5885200408.

The spelling of 998766068 in words is "nine hundred ninety-eight million, seven hundred sixty-six thousand, sixty-eight".