28766377067 has 8 divisors (see below), whose sum is σ = 29464411200. Its totient is φ = 28075358664.

The previous prime is 28766377063. The next prime is 28766377069. The reversal of 28766377067 is 76077366782.

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 28766377067 - 2² = 28766377063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a junction number, because it is equal to n+sod(n) for n = 28766376997 and 28766377015.

It is not an unprimeable number, because it can be changed into a prime (28766377061) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1745633 + ... + 1762034.

It is an arithmetic number, because the mean of its divisors is an integer number (3683051400).

Almost surely, 2^28766377067 is an apocalyptic number.

28766377067 is a deficient number, since it is larger than the sum of its proper divisors (698034133).

28766377067 is a wasteful number, since it uses less digits than its factorization.

28766377067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507865.

The product of its (nonzero) digits is 24893568, while the sum is 59.

The spelling of 28766377067 in words is "twenty-eight billion, seven hundred sixty-six million, three hundred seventy-seven thousand, sixty-seven".