28802747609077 has 8 divisors (see below), whose sum is σ = 31052542426976. Its totient is φ = 26557838340912.

The previous prime is 28802747609039. The next prime is 28802747609087. The reversal of 28802747609077 is 77090674720882.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28802747609077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28802747609087) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1221375183 + ... + 1221398764.

It is an arithmetic number, because the mean of its divisors is an integer number (3881567803372).

Almost surely, 2^{28802747609077} is an apocalyptic number.

It is an amenable number.

28802747609077 is a deficient number, since it is larger than the sum of its proper divisors (2249794817899).

28802747609077 is a wasteful number, since it uses less digits than its factorization.

28802747609077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442774867.

The product of its (nonzero) digits is 132765696, while the sum is 67.

The spelling of 28802747609077 in words is "twenty-eight trillion, eight hundred two billion, seven hundred forty-seven million, six hundred nine thousand, seventy-seven".