7845450578 has 16 divisors (see below), whose sum is σ = 13457689920. Its totient is φ = 3360249456.

The previous prime is 7845450563. The next prime is 7845450589. The reversal of 7845450578 is 8750545487.

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, 150401 + ... + 195732.

It is an arithmetic number, because the mean of its divisors is an integer number (841105620).

Almost surely, 2^7845450578 is an apocalyptic number.

7845450578 is a deficient number, since it is larger than the sum of its proper divisors (5612239342).

7845450578 is a wasteful number, since it uses less digits than its factorization.

7845450578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347761.

The product of its (nonzero) digits is 6272000, while the sum is 53.

The square root of 7845450578 is about 88574.5481388418. The cubic root of 7845450578 is about 1987.0370439074.

The spelling of 7845450578 in words is "seven billion, eight hundred forty-five million, four hundred fifty thousand, five hundred seventy-eight".