99785862 has 24 divisors (see below), whose sum is σ = 235857960. Its totient is φ = 30238080.

The previous prime is 99785857. The next prime is 99785863. The reversal of 99785862 is 26858799.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 99785799 and 99785808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99785863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251787 + ... + 252182.

It is an arithmetic number, because the mean of its divisors is an integer number (9827415).

Almost surely, 2^99785862 is an apocalyptic number.

99785862 is an abundant number, since it is smaller than the sum of its proper divisors (136072098).

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

99785862 is a wasteful number, since it uses less digits than its factorization.

99785862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503988 (or 503985 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 99785862 is about 9989.2873619693. The cubic root of 99785862 is about 463.8273330736.

The spelling of 99785862 in words is "ninety-nine million, seven hundred eighty-five thousand, eight hundred sixty-two".