8054778544620 has 96 divisors (see below), whose sum is σ = 22835239277760. Its totient is φ = 2121206553600.

The previous prime is 8054778544597. The next prime is 8054778544679. The reversal of 8054778544620 is 264458774508.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 648894 + ... + 4065786.

It is an arithmetic number, because the mean of its divisors is an integer number (237867075810).

Almost surely, 2^{8054778544620} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8054778544620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11417619638880).

8054778544620 is an abundant number, since it is smaller than the sum of its proper divisors (14780460733140).

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

8054778544620 is a wasteful number, since it uses less digits than its factorization.

8054778544620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417395 (or 3417393 counting only the distinct ones).

The product of its (nonzero) digits is 60211200, while the sum is 60.

The spelling of 8054778544620 in words is "eight trillion, fifty-four billion, seven hundred seventy-eight million, five hundred forty-four thousand, six hundred twenty".