98816805 has 24 divisors (see below), whose sum is σ = 172807128. Its totient is φ = 52233216.

The previous prime is 98816797. The next prime is 98816807. The reversal of 98816805 is 50861889.

98816805 = T₂₈₆ + T₂₈₇ + ... + T₈₅₀.

It can be written as a sum of positive squares in 4 ways, for example, as 6022116 + 92794689 = 2454^2 + 9633^2 .

It is not a de Polignac number, because 98816805 - 2³ = 98816797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98816807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4632 + ... + 14801.

It is an arithmetic number, because the mean of its divisors is an integer number (7200297).

Almost surely, 2^98816805 is an apocalyptic number.

It is an amenable number.

98816805 is a deficient number, since it is larger than the sum of its proper divisors (73990323).

98816805 is a wasteful number, since it uses less digits than its factorization.

98816805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19557 (or 19554 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 98816805 is about 9940.6642132204. The cubic root of 98816805 is about 462.3209806309.

The spelling of 98816805 in words is "ninety-eight million, eight hundred sixteen thousand, eight hundred five".