98666680 has 32 divisors (see below), whose sum is σ = 253715040. Its totient is φ = 33828480.

The previous prime is 98666647. The next prime is 98666683. The reversal of 98666680 is 8666689.

It is a super-2 number, since 2×98666680² = 19470227484444800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98666683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175911 + ... + 176470.

It is an arithmetic number, because the mean of its divisors is an integer number (7928595).

Almost surely, 2^98666680 is an apocalyptic number.

It is an amenable number.

98666680 is an abundant number, since it is smaller than the sum of its proper divisors (155048360).

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

98666680 is a wasteful number, since it uses less digits than its factorization.

98666680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352399 (or 352395 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 98666680 is about 9933.1102883236. The cubic root of 98666680 is about 462.0867387100.

The spelling of 98666680 in words is "ninety-eight million, six hundred sixty-six thousand, six hundred eighty".