38577943085481 has 24 divisors (see below), whose sum is σ = 57576918237696. Its totient is φ = 24864901456320.

The previous prime is 38577943085467. The next prime is 38577943085497. The reversal of 38577943085481 is 18458034977583.

38577943085481 is a `hidden beast` number, since 3 + 8 + 5 + 7 + 79 + 4 + 3 + 0 + 8 + 548 + 1 = 666.

It is not a de Polignac number, because 38577943085481 - 2¹⁴ = 38577943069097 is a prime.

It is a super-2 number, since 2×38577943085481² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38577943085411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66639285 + ... + 67215698.

It is an arithmetic number, because the mean of its divisors is an integer number (2399038259904).

Almost surely, 2^{38577943085481} is an apocalyptic number.

38577943085481 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

38577943085481 is a deficient number, since it is larger than the sum of its proper divisors (18998975152215).

38577943085481 is a wasteful number, since it uses less digits than its factorization.

38577943085481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133856053 (or 133856050 counting only the distinct ones).

The product of its (nonzero) digits is 812851200, while the sum is 72.

The spelling of 38577943085481 in words is "thirty-eight trillion, five hundred seventy-seven billion, nine hundred forty-three million, eighty-five thousand, four hundred eighty-one".