99580805 has 8 divisors (see below), whose sum is σ = 125786400. Its totient is φ = 75471696.

The previous prime is 99580783. The next prime is 99580807. The reversal of 99580805 is 50808599.

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

It is a cyclic number.

It is not a de Polignac number, because 99580805 - 2⁸ = 99580549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99580807) 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, 524015 + ... + 524204.

It is an arithmetic number, because the mean of its divisors is an integer number (15723300).

Almost surely, 2^99580805 is an apocalyptic number.

99580805 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

99580805 is a deficient number, since it is larger than the sum of its proper divisors (26205595).

99580805 is a wasteful number, since it uses less digits than its factorization.

99580805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048243.

The product of its (nonzero) digits is 129600, while the sum is 44.

The square root of 99580805 is about 9979.0182382838. The cubic root of 99580805 is about 463.5093980337.

The spelling of 99580805 in words is "ninety-nine million, five hundred eighty thousand, eight hundred five".