986776863073 has 4 divisors (see below), whose sum is σ = 990616462020. Its totient is φ = 982937264128.

The previous prime is 986776863029. The next prime is 986776863091. The reversal of 986776863073 is 370368677689.

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 870326665569 + 116450197504 = 932913^2 + 341248^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-986776863073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 986776862993 and 986776863011.

It is not an unprimeable number, because it can be changed into a prime (986776863973) 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, 1919799088 + ... + 1919799601.

It is an arithmetic number, because the mean of its divisors is an integer number (247654115505).

Almost surely, 2^986776863073 is an apocalyptic number.

It is an amenable number.

986776863073 is a deficient number, since it is larger than the sum of its proper divisors (3839598947).

986776863073 is a wasteful number, since it uses less digits than its factorization.

986776863073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839598946.

The product of its (nonzero) digits is 384072192, while the sum is 70.

The spelling of 986776863073 in words is "nine hundred eighty-six billion, seven hundred seventy-six million, eight hundred sixty-three thousand, seventy-three".