8001878745 has 32 divisors (see below), whose sum is σ = 14690350080. Its totient is φ = 3643416000.

The previous prime is 8001878743. The next prime is 8001878749. The reversal of 8001878745 is 5478781008.

It is not a de Polignac number, because 8001878745 - 2¹ = 8001878743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8001878694 and 8001878703.

It is not an unprimeable number, because it can be changed into a prime (8001878743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125455 + ... + 178164.

It is an arithmetic number, because the mean of its divisors is an integer number (459073440).

Almost surely, 2^8001878745 is an apocalyptic number.

It is an amenable number.

8001878745 is a deficient number, since it is larger than the sum of its proper divisors (6688471335).

8001878745 is a wasteful number, since it uses less digits than its factorization.

8001878745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303885.

The product of its (nonzero) digits is 501760, while the sum is 48.

The square root of 8001878745 is about 89453.2209872847. The cubic root of 8001878745 is about 2000.1565498291.

The spelling of 8001878745 in words is "eight billion, one million, eight hundred seventy-eight thousand, seven hundred forty-five".