28776818054 has 8 divisors (see below), whose sum is σ = 43451089968. Its totient is φ = 14293121400.

The previous prime is 28776818053. The next prime is 28776818071. The reversal of 28776818054 is 45081867782.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28776818053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47643437 + ... + 47644040.

It is an arithmetic number, because the mean of its divisors is an integer number (5431386246).

Almost surely, 2^28776818054 is an apocalyptic number.

28776818054 is a deficient number, since it is larger than the sum of its proper divisors (14674271914).

28776818054 is a wasteful number, since it uses less digits than its factorization.

28776818054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95287630.

The product of its (nonzero) digits is 6021120, while the sum is 56.

The spelling of 28776818054 in words is "twenty-eight billion, seven hundred seventy-six million, eight hundred eighteen thousand, fifty-four".