99806710084 has 27 divisors (see below), whose sum is σ = 176098682487. Its totient is φ = 49496131584.

The previous prime is 99806710061. The next prime is 99806710147. The reversal of 99806710084 is 48001760899.

It is a happy number.

The square root of 99806710084 is 315922.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 14962671684 + 84844038400 = 122322^2 + 291280^2 .

It is a super-2 number, since 2×99806710084² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 86562052 + ... + 86563204.

Almost surely, 2^99806710084 is an apocalyptic number.

99806710084 is the 315922-nd square number.

It is an amenable number.

99806710084 is a deficient number, since it is larger than the sum of its proper divisors (76291972403).

99806710084 is an equidigital number, since it uses as much as digits as its factorization.

99806710084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584 (or 1292 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 99806710084 in words is "ninety-nine billion, eight hundred six million, seven hundred ten thousand, eighty-four".