8178254436 has 48 divisors (see below), whose sum is σ = 21913032960. Its totient is φ = 2347823520.

The previous prime is 8178254419. The next prime is 8178254449. The reversal of 8178254436 is 6344528718.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1627926 + ... + 1632941.

It is an arithmetic number, because the mean of its divisors is an integer number (456521520).

Almost surely, 2^8178254436 is an apocalyptic number.

It is an amenable number.

8178254436 is an abundant number, since it is smaller than the sum of its proper divisors (13734778524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8178254436 is a wasteful number, since it uses less digits than its factorization.

8178254436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260904 (or 3260902 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 8178254436 is about 90433.7018815441. The cubic root of 8178254436 is about 2014.7455534808.

The spelling of 8178254436 in words is "eight billion, one hundred seventy-eight million, two hundred fifty-four thousand, four hundred thirty-six".