98566805 has 8 divisors (see below), whose sum is σ = 118802592. Its totient is φ = 78505168.

The previous prime is 98566781. The next prime is 98566807. The reversal of 98566805 is 50866589.

It is a happy number.

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 98566805 - 2⁸ = 98566549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98566805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98566807) 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, 42287 + ... + 44556.

It is an arithmetic number, because the mean of its divisors is an integer number (14850324).

Almost surely, 2^98566805 is an apocalyptic number.

It is an amenable number.

98566805 is a deficient number, since it is larger than the sum of its proper divisors (20235787).

98566805 is a wasteful number, since it uses less digits than its factorization.

98566805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87075.

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 98566805 is about 9928.0816374565. The cubic root of 98566805 is about 461.9307708465.

It can be divided in two parts, 9856 and 6805, that added together give a palindrome (16661).

The spelling of 98566805 in words is "ninety-eight million, five hundred sixty-six thousand, eight hundred five".