8625578340 has 24 divisors (see below), whose sum is σ = 24151619520. Its totient is φ = 2300154208.

The previous prime is 8625578329. The next prime is 8625578341. The reversal of 8625578340 is 438755268.

It is a self number, because there is not a number n which added to its sum of digits gives 8625578340.

It is not an unprimeable number, because it can be changed into a prime (8625578341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71879760 + ... + 71879879.

It is an arithmetic number, because the mean of its divisors is an integer number (1006317480).

Almost surely, 2^8625578340 is an apocalyptic number.

It is an amenable number.

8625578340 is an abundant number, since it is smaller than the sum of its proper divisors (15526041180).

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

8625578340 is a wasteful number, since it uses less digits than its factorization.

8625578340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143759651 (or 143759649 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The square root of 8625578340 is about 92873.9917307316. The cubic root of 8625578340 is about 2050.8288015009.

The spelling of 8625578340 in words is "eight billion, six hundred twenty-five million, five hundred seventy-eight thousand, three hundred forty".