983577056851 has 4 divisors (see below), whose sum is σ = 985848597832. Its totient is φ = 981305515872.

The previous prime is 983577056831. The next prime is 983577056879. The reversal of 983577056851 is 158650775389.

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

It is a cyclic number.

It is not a de Polignac number, because 983577056851 - 2⁷ = 983577056723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (983577056831) 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, 1135769841 + ... + 1135770706.

It is an arithmetic number, because the mean of its divisors is an integer number (246462149458).

Almost surely, 2^983577056851 is an apocalyptic number.

983577056851 is a deficient number, since it is larger than the sum of its proper divisors (2271540981).

983577056851 is a wasteful number, since it uses less digits than its factorization.

983577056851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271540980.

The product of its (nonzero) digits is 63504000, while the sum is 64.

The spelling of 983577056851 in words is "nine hundred eighty-three billion, five hundred seventy-seven million, fifty-six thousand, eight hundred fifty-one".