3578871716480 has 64 divisors (see below), whose sum is σ = 8567946321480. Its totient is φ = 1429506355200.

The previous prime is 3578871716471. The next prime is 3578871716489. The reversal of 3578871716480 is 846171788753.

It is an interprime number because it is at equal distance from previous prime (3578871716471) and next prime (3578871716489).

It can be written as a sum of positive squares in 4 ways, for example, as 3335064878656 + 243806837824 = 1826216^2 + 493768^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (3578871716489) 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, 3539939 + ... + 4437218.

Almost surely, 2^{3578871716480} is an apocalyptic number.

It is an amenable number.

3578871716480 is an abundant number, since it is smaller than the sum of its proper divisors (4989074605000).

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

3578871716480 is an equidigital number, since it uses as much as digits as its factorization.

3578871716480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7977877 (or 7977865 counting only the distinct ones).

The product of its (nonzero) digits is 63221760, while the sum is 65.

The spelling of 3578871716480 in words is "three trillion, five hundred seventy-eight billion, eight hundred seventy-one million, seven hundred sixteen thousand, four hundred eighty".