983801854377 has 6 divisors (see below), whose sum is σ = 1421047123002. Its totient is φ = 655867902912.

The previous prime is 983801854369. The next prime is 983801854379. The reversal of 983801854377 is 773458108389.

983801854377 is a `hidden beast` number, since 9 + 8 + 3 + 8 + 0 + 18 + 543 + 77 = 666.

It can be written as a sum of positive squares in only one way, i.e., 630723460761 + 353078393616 = 794181^2 + 594204^2 .

It is not a de Polignac number, because 983801854377 - 2³ = 983801854369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (983801854379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54655658568 + ... + 54655658585.

It is an arithmetic number, because the mean of its divisors is an integer number (236841187167).

Almost surely, 2^983801854377 is an apocalyptic number.

It is an amenable number.

983801854377 is a deficient number, since it is larger than the sum of its proper divisors (437245268625).

983801854377 is a wasteful number, since it uses less digits than its factorization.

983801854377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109311317159 (or 109311317156 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 983801854377 in words is "nine hundred eighty-three billion, eight hundred one million, eight hundred fifty-four thousand, three hundred seventy-seven".