99958782 has 96 divisors (see below), whose sum is σ = 261192960. Its totient is φ = 24773760.

The previous prime is 99958763. The next prime is 99958811. The reversal of 99958782 is 28785999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 244194 + ... + 244602.

It is an arithmetic number, because the mean of its divisors is an integer number (2720760).

Almost surely, 2^99958782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99958782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130596480).

99958782 is an abundant number, since it is smaller than the sum of its proper divisors (161234178).

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

99958782 is a wasteful number, since it uses less digits than its factorization.

99958782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 455 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 57.

The square root of 99958782 is about 9997.9388875908. The cubic root of 99958782 is about 464.0951022612.

The spelling of 99958782 in words is "ninety-nine million, nine hundred fifty-eight thousand, seven hundred eighty-two".