8564734458 has 48 divisors (see below), whose sum is σ = 21374945280. Its totient is φ = 2427794208.

The previous prime is 8564734427. The next prime is 8564734489. The reversal of 8564734458 is 8544374658.

It is a happy number.

8564734458 is a `hidden beast` number, since 8 + 564 + 7 + 34 + 45 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (8564734427) and next prime (8564734489).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251613 + ... + 283616.

It is an arithmetic number, because the mean of its divisors is an integer number (445311360).

Almost surely, 2^8564734458 is an apocalyptic number.

8564734458 is an abundant number, since it is smaller than the sum of its proper divisors (12810210822).

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

8564734458 is a wasteful number, since it uses less digits than its factorization.

8564734458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535371 (or 535368 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 54.

The square root of 8564734458 is about 92545.8505714870. The cubic root of 8564734458 is about 2045.9953116338.

The spelling of 8564734458 in words is "eight billion, five hundred sixty-four million, seven hundred thirty-four thousand, four hundred fifty-eight".