8236478454 has 16 divisors (see below), whose sum is σ = 17339954880. Its totient is φ = 2600993160.

The previous prime is 8236478399. The next prime is 8236478477. The reversal of 8236478454 is 4548746328.

It is a junction number, because it is equal to n+sod(n) for n = 8236478397 and 8236478406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36124792 + ... + 36125019.

It is an arithmetic number, because the mean of its divisors is an integer number (1083747180).

Almost surely, 2^8236478454 is an apocalyptic number.

8236478454 is an abundant number, since it is smaller than the sum of its proper divisors (9103476426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8236478454 is a wasteful number, since it uses less digits than its factorization.

8236478454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72249835.

The product of its digits is 5160960, while the sum is 51.

The square root of 8236478454 is about 90755.0464382009. The cubic root of 8236478454 is about 2019.5154912538.

The spelling of 8236478454 in words is "eight billion, two hundred thirty-six million, four hundred seventy-eight thousand, four hundred fifty-four".