98380595818 has 16 divisors (see below), whose sum is σ = 148331350440. Its totient is φ = 48937336000.

The previous prime is 98380595791. The next prime is 98380595837. The reversal of 98380595818 is 81859508389.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 52668873009 + 45711722809 = 229497^2 + 213803^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 98380595818.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246708 + ... + 507568.

Almost surely, 2^98380595818 is an apocalyptic number.

98380595818 is a deficient number, since it is larger than the sum of its proper divisors (49950754622).

98380595818 is a wasteful number, since it uses less digits than its factorization.

98380595818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261833.

The product of its (nonzero) digits is 24883200, while the sum is 64.

The spelling of 98380595818 in words is "ninety-eight billion, three hundred eighty million, five hundred ninety-five thousand, eight hundred eighteen".