28316477378 has 8 divisors (see below), whose sum is σ = 48542532672. Its totient is φ = 12135633156.

The previous prime is 28316477353. The next prime is 28316477407. The reversal of 28316477378 is 87377461382.

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

It is an unprimeable number.

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, 1011302750 + ... + 1011302777.

It is an arithmetic number, because the mean of its divisors is an integer number (6067816584).

Almost surely, 2^28316477378 is an apocalyptic number.

28316477378 is a deficient number, since it is larger than the sum of its proper divisors (20226055294).

28316477378 is a wasteful number, since it uses less digits than its factorization.

28316477378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022605536.

The product of its digits is 9483264, while the sum is 56.

The spelling of 28316477378 in words is "twenty-eight billion, three hundred sixteen million, four hundred seventy-seven thousand, three hundred seventy-eight".