8015478550 has 48 divisors (see below), whose sum is σ = 15051036672. Its totient is φ = 3175754400.

The previous prime is 8015478439. The next prime is 8015478551. The reversal of 8015478550 is 558745108.

It is a junction number, because it is equal to n+sod(n) for n = 8015478497 and 8015478506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8015478551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2350947 + ... + 2354353.

It is an arithmetic number, because the mean of its divisors is an integer number (313563264).

Almost surely, 2^8015478550 is an apocalyptic number.

8015478550 is a deficient number, since it is larger than the sum of its proper divisors (7035558122).

8015478550 is a wasteful number, since it uses less digits than its factorization.

8015478550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853 (or 3848 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 43.

The square root of 8015478550 is about 89529.2050115492. The cubic root of 8015478550 is about 2001.2890481656.

The spelling of 8015478550 in words is "eight billion, fifteen million, four hundred seventy-eight thousand, five hundred fifty".