3678578368 has 56 divisors (see below), whose sum is σ = 7431657984. Its totient is φ = 1806336000.

The previous prime is 3678578339. The next prime is 3678578401. The reversal of 3678578368 is 8638758763.

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, 818688 + ... + 823168.

Almost surely, 2^3678578368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3678578368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3715828992).

3678578368 is an abundant number, since it is smaller than the sum of its proper divisors (3753079616).

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

3678578368 is a wasteful number, since it uses less digits than its factorization.

3678578368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4721 (or 4711 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 61.

The square root of 3678578368 is about 60651.2849657779. The cubic root of 3678578368 is about 1543.6896921744.

The spelling of 3678578368 in words is "three billion, six hundred seventy-eight million, five hundred seventy-eight thousand, three hundred sixty-eight".