8617078540 has 48 divisors (see below), whose sum is σ = 20711944512. Its totient is φ = 2950004736.

The previous prime is 8617078537. The next prime is 8617078553. The reversal of 8617078540 is 458707168.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48492 + ... + 139948.

It is an arithmetic number, because the mean of its divisors is an integer number (431498844).

Almost surely, 2^8617078540 is an apocalyptic number.

It is an amenable number.

8617078540 is an abundant number, since it is smaller than the sum of its proper divisors (12094865972).

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

8617078540 is a wasteful number, since it uses less digits than its factorization.

8617078540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92146 (or 92144 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 8617078540 is about 92828.2206012805. The cubic root of 8617078540 is about 2050.1549389141.

The spelling of 8617078540 in words is "eight billion, six hundred seventeen million, seventy-eight thousand, five hundred forty".