8454134648477 has 12 divisors (see below), whose sum is σ = 10352001611520. Its totient is φ = 6865011593496.

The previous prime is 8454134648473. The next prime is 8454134648483. The reversal of 8454134648477 is 7748464314548.

It is not a de Polignac number, because 8454134648477 - 2² = 8454134648473 is a prime.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8454134648473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4540350653 + ... + 4540352514.

It is an arithmetic number, because the mean of its divisors is an integer number (862666800960).

Almost surely, 2^{8454134648477} is an apocalyptic number.

It is an amenable number.

8454134648477 is a deficient number, since it is larger than the sum of its proper divisors (1897866963043).

8454134648477 is a wasteful number, since it uses less digits than its factorization.

8454134648477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9080703200 (or 9080703193 counting only the distinct ones).

The product of its digits is 289013760, while the sum is 65.

The spelling of 8454134648477 in words is "eight trillion, four hundred fifty-four billion, one hundred thirty-four million, six hundred forty-eight thousand, four hundred seventy-seven".