28776667795 has 8 divisors (see below), whose sum is σ = 34534041696. Its totient is φ = 23019974016.

The previous prime is 28776667783. The next prime is 28776667807. The reversal of 28776667795 is 59776667782.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28776667783) and next prime (28776667807).

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

It is a cyclic number.

It is not a de Polignac number, because 28776667795 - 2¹⁹ = 28776143507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71782 + ... + 250411.

It is an arithmetic number, because the mean of its divisors is an integer number (4316755212).

Almost surely, 2^28776667795 is an apocalyptic number.

28776667795 is a deficient number, since it is larger than the sum of its proper divisors (5757373901).

28776667795 is a wasteful number, since it uses less digits than its factorization.

28776667795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340061.

The product of its digits is 373403520, while the sum is 70.

The spelling of 28776667795 in words is "twenty-eight billion, seven hundred seventy-six million, six hundred sixty-seven thousand, seven hundred ninety-five".