98118065 has 4 divisors (see below), whose sum is σ = 117741684. Its totient is φ = 78494448.

The previous prime is 98118061. The next prime is 98118091. The reversal of 98118065 is 56081189.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14047504 + 84070561 = 3748^2 + 9169^2 .

It is a cyclic number.

It is not a de Polignac number, because 98118065 - 2² = 98118061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98118061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9811802 + ... + 9811811.

It is an arithmetic number, because the mean of its divisors is an integer number (29435421).

Almost surely, 2^98118065 is an apocalyptic number.

It is an amenable number.

98118065 is a deficient number, since it is larger than the sum of its proper divisors (19623619).

98118065 is a wasteful number, since it uses less digits than its factorization.

98118065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19623618.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 98118065 is about 9905.4563246728. The cubic root of 98118065 is about 461.2287015574.

The spelling of 98118065 in words is "ninety-eight million, one hundred eighteen thousand, sixty-five".