983278872389 has 16 divisors (see below), whose sum is σ = 1076637792384. Its totient is φ = 890582515200.

The previous prime is 983278872379. The next prime is 983278872409.

983278872389 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-983278872389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983278872379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27037352 + ... + 27073694.

It is an arithmetic number, because the mean of its divisors is an integer number (67289862024).

Almost surely, 2^983278872389 is an apocalyptic number.

It is an amenable number.

983278872389 is a deficient number, since it is larger than the sum of its proper divisors (93358919995).

983278872389 is a wasteful number, since it uses less digits than its factorization.

983278872389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45388.

The product of its digits is 585252864, while the sum is 74.

The spelling of 983278872389 in words is "nine hundred eighty-three billion, two hundred seventy-eight million, eight hundred seventy-two thousand, three hundred eighty-nine".