98608791 has 8 divisors (see below), whose sum is σ = 133441024. Its totient is φ = 64757880.

The previous prime is 98608781. The next prime is 98608817. The reversal of 98608791 is 19780689.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 98608791 - 2¹¹ = 98606743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98608791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98608711) 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, 245095 + ... + 245496.

It is an arithmetic number, because the mean of its divisors is an integer number (16680128).

Almost surely, 2^98608791 is an apocalyptic number.

98608791 is a deficient number, since it is larger than the sum of its proper divisors (34832233).

98608791 is a wasteful number, since it uses less digits than its factorization.

98608791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490661.

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

The square root of 98608791 is about 9930.1959195174. The cubic root of 98608791 is about 461.9963503019.

It can be divided in two parts, 98608 and 791, that added together give a palindrome (99399).

The spelling of 98608791 in words is "ninety-eight million, six hundred eight thousand, seven hundred ninety-one".