8354105478 has 64 divisors (see below), whose sum is σ = 19673280000. Its totient is φ = 2620384992.

The previous prime is 8354105453. The next prime is 8354105521. The reversal of 8354105478 is 8745014538.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125551 + ... + 180197.

It is an arithmetic number, because the mean of its divisors is an integer number (307395000).

Almost surely, 2^8354105478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8354105478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9836640000).

8354105478 is an abundant number, since it is smaller than the sum of its proper divisors (11319174522).

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

8354105478 is a wasteful number, since it uses less digits than its factorization.

8354105478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54826 (or 54820 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 8354105478 is about 91400.7958280452. The cubic root of 8354105478 is about 2029.0838058638.

The spelling of 8354105478 in words is "eight billion, three hundred fifty-four million, one hundred five thousand, four hundred seventy-eight".