8522495978 has 8 divisors (see below), whose sum is σ = 12784135872. Its totient is φ = 4261117356.

The previous prime is 8522495941. The next prime is 8522496001. The reversal of 8522495978 is 8795942258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92351 + ... + 159917.

It is an arithmetic number, because the mean of its divisors is an integer number (1598016984).

Almost surely, 2^8522495978 is an apocalyptic number.

8522495978 is a deficient number, since it is larger than the sum of its proper divisors (4261639894).

8522495978 is a wasteful number, since it uses less digits than its factorization.

8522495978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130636.

The product of its digits is 14515200, while the sum is 59.

The square root of 8522495978 is about 92317.3655278356. The cubic root of 8522495978 is about 2042.6263732798.

The spelling of 8522495978 in words is "eight billion, five hundred twenty-two million, four hundred ninety-five thousand, nine hundred seventy-eight".