28486041632677 has 4 divisors (see below), whose sum is σ = 28519436758540. Its totient is φ = 28452646506816.

The previous prime is 28486041632641. The next prime is 28486041632701. The reversal of 28486041632677 is 77623614068482.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11288316516481 + 17197725116196 = 3359809^2 + 4147014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28486041632677 is a prime.

It is a super-2 number, since 2×28486041632677² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28486041672677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16697561652 + ... + 16697563357.

It is an arithmetic number, because the mean of its divisors is an integer number (7129859189635).

Almost surely, 2^{28486041632677} is an apocalyptic number.

It is an amenable number.

28486041632677 is a deficient number, since it is larger than the sum of its proper divisors (33395125863).

28486041632677 is an equidigital number, since it uses as much as digits as its factorization.

28486041632677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33395125862.

The product of its (nonzero) digits is 130056192, while the sum is 64.

The spelling of 28486041632677 in words is "twenty-eight trillion, four hundred eighty-six billion, forty-one million, six hundred thirty-two thousand, six hundred seventy-seven".