8527978403 has 16 divisors (see below), whose sum is σ = 9960474624. Its totient is φ = 7149250080.

The previous prime is 8527978369. The next prime is 8527978439. The reversal of 8527978403 is 3048797258.

It is not a de Polignac number, because 8527978403 - 2¹⁰ = 8527977379 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8527978463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517298 + ... + 533528.

It is an arithmetic number, because the mean of its divisors is an integer number (622529664).

Almost surely, 2^8527978403 is an apocalyptic number.

8527978403 is a deficient number, since it is larger than the sum of its proper divisors (1432496221).

8527978403 is a wasteful number, since it uses less digits than its factorization.

8527978403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17882.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The square root of 8527978403 is about 92347.0541111085. The cubic root of 8527978403 is about 2043.0642788528.

The spelling of 8527978403 in words is "eight billion, five hundred twenty-seven million, nine hundred seventy-eight thousand, four hundred three".