98908791 has 8 divisors (see below), whose sum is σ = 132077040. Its totient is φ = 65839872.

The previous prime is 98908781. The next prime is 98908841. The reversal of 98908791 is 19780989.

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

It is not a de Polignac number, because 98908791 - 2⁹ = 98908279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98908741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22476 + ... + 26513.

It is an arithmetic number, because the mean of its divisors is an integer number (16509630).

Almost surely, 2^98908791 is an apocalyptic number.

98908791 is a deficient number, since it is larger than the sum of its proper divisors (33168249).

98908791 is a wasteful number, since it uses less digits than its factorization.

98908791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49665.

The product of its (nonzero) digits is 326592, while the sum is 51.

The square root of 98908791 is about 9945.2898901943. The cubic root of 98908791 is about 462.4643903433.

It can be divided in two parts, 98908 and 791, that added together give a palindrome (99699).

The spelling of 98908791 in words is "ninety-eight million, nine hundred eight thousand, seven hundred ninety-one".