98917680 has 40 divisors (see below), whose sum is σ = 306645552. Its totient is φ = 26377984.

The previous prime is 98917669. The next prime is 98917723. The reversal of 98917680 is 8671989.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 205839 + ... + 206318.

Almost surely, 2^98917680 is an apocalyptic number.

It is an amenable number.

98917680 is an abundant number, since it is smaller than the sum of its proper divisors (207727872).

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

98917680 is a wasteful number, since it uses less digits than its factorization.

98917680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412173 (or 412167 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 98917680 is about 9945.7367751213. The cubic root of 98917680 is about 462.4782439243.

It can be divided in two parts, 9891 and 7680, that added together give a palindrome (17571).

The spelling of 98917680 in words is "ninety-eight million, nine hundred seventeen thousand, six hundred eighty".