8587578378 has 16 divisors (see below), whose sum is σ = 17188496640. Its totient is φ = 2860302816.

The previous prime is 8587578361. The next prime is 8587578383. The reversal of 8587578378 is 8738757858.

It is a super-2 number, since 2×8587578378² (a number of 21 digits) contains 22 as substring.

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, 547450 + ... + 562917.

It is an arithmetic number, because the mean of its divisors is an integer number (1074281040).

Almost surely, 2^8587578378 is an apocalyptic number.

8587578378 is an abundant number, since it is smaller than the sum of its proper divisors (8600918262).

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

8587578378 is a wasteful number, since it uses less digits than its factorization.

8587578378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111661.

The product of its digits is 105369600, while the sum is 66.

The square root of 8587578378 is about 92669.1878565902. The cubic root of 8587578378 is about 2047.8127278114.

The spelling of 8587578378 in words is "eight billion, five hundred eighty-seven million, five hundred seventy-eight thousand, three hundred seventy-eight".