98771403644773 has 4 divisors (see below), whose sum is σ = 98771424340428. Its totient is φ = 98771382949120.

The previous prime is 98771403644723. The next prime is 98771403644777. The reversal of 98771403644773 is 37744630417789.

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 20270687280804 + 78500716363969 = 4502298^2 + 8860063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98771403644773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98771403644777) 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, 850863 + ... + 14080723.

It is an arithmetic number, because the mean of its divisors is an integer number (24692856085107).

Almost surely, 2^{98771403644773} is an apocalyptic number.

It is an amenable number.

98771403644773 is a deficient number, since it is larger than the sum of its proper divisors (20695655).

98771403644773 is a wasteful number, since it uses less digits than its factorization.

98771403644773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20695654.

The product of its (nonzero) digits is 597445632, while the sum is 70.

The spelling of 98771403644773 in words is "ninety-eight trillion, seven hundred seventy-one billion, four hundred three million, six hundred forty-four thousand, seven hundred seventy-three".