698423886660 has 48 divisors (see below), whose sum is σ = 1955664047232. Its totient is φ = 186239020800.

The previous prime is 698423886647. The next prime is 698423886683. The reversal of 698423886660 is 66688324896.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 698423886591 and 698423886600.

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, 1399065 + ... + 1831455.

It is an arithmetic number, because the mean of its divisors is an integer number (40743000984).

Almost surely, 2^698423886660 is an apocalyptic number.

698423886660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

698423886660 is an abundant number, since it is smaller than the sum of its proper divisors (1257240160572).

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

698423886660 is a wasteful number, since it uses less digits than its factorization.

698423886660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459324 (or 459322 counting only the distinct ones).

The product of its (nonzero) digits is 143327232, while the sum is 66.

The spelling of 698423886660 in words is "six hundred ninety-eight billion, four hundred twenty-three million, eight hundred eighty-six thousand, six hundred sixty".