8538454804761 has 30 divisors (see below), whose sum is σ = 14837420714490. Its totient is φ = 4879117029024.

The previous prime is 8538454804751. The next prime is 8538454804801. The reversal of 8538454804761 is 1674084548358.

8538454804761 is a `hidden beast` number, since 8 + 5 + 3 + 8 + 454 + 80 + 47 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6348812499225 + 2189642305536 = 2519685^2 + 1479744^2 .

It is not a de Polignac number, because 8538454804761 - 2²² = 8538450610457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (8538454804721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1075639116 + ... + 1075647053.

It is an arithmetic number, because the mean of its divisors is an integer number (494580690483).

Almost surely, 2^{8538454804761} is an apocalyptic number.

8538454804761 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8538454804761 is a deficient number, since it is larger than the sum of its proper divisors (6298965909729).

8538454804761 is a wasteful number, since it uses less digits than its factorization.

8538454804761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151286195 (or 2151286179 counting only the distinct ones).

The product of its (nonzero) digits is 103219200, while the sum is 63.

The spelling of 8538454804761 in words is "eight trillion, five hundred thirty-eight billion, four hundred fifty-four million, eight hundred four thousand, seven hundred sixty-one".