983867593801 has 3 divisors (see below), whose sum is σ = 983868585703. Its totient is φ = 983866601900.

The previous prime is 983867593781. The next prime is 983867593823. The reversal of 983867593801 is 108395768389.

The square root of 983867593801 is 991901.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 661129983801 + 322737610000 = 813099^2 + 568100^2 .

It is not a de Polignac number, because 983867593801 - 2⁷ = 983867593673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (983867593601) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 495951 + ... + 1487851.

Almost surely, 2^983867593801 is an apocalyptic number.

983867593801 is the 991901-st square number.

983867593801 is the 495951-st centered octagonal number.

It is an amenable number.

983867593801 is a deficient number, since it is larger than the sum of its proper divisors (991902).

983867593801 is an frugal number, since it uses more digits than its factorization.

983867593801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983802 (or 991901 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 67.

The spelling of 983867593801 in words is "nine hundred eighty-three billion, eight hundred sixty-seven million, five hundred ninety-three thousand, eight hundred one".