28657060336736 has 24 divisors (see below), whose sum is σ = 60758478887904. Its totient is φ = 13226335539840.

The previous prime is 28657060336711. The next prime is 28657060336789. The reversal of 28657060336736 is 63763306075682.

It is a happy number.

It is a super-2 number, since 2×28657060336736² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34443581720 + ... + 34443582551.

It is an arithmetic number, because the mean of its divisors is an integer number (2531603286996).

Almost surely, 2^{28657060336736} is an apocalyptic number.

28657060336736 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28657060336736 is an abundant number, since it is smaller than the sum of its proper divisors (32101418551168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28657060336736 is a wasteful number, since it uses less digits than its factorization.

28657060336736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68887164294 (or 68887164286 counting only the distinct ones).

The product of its (nonzero) digits is 137168640, while the sum is 62.

The spelling of 28657060336736 in words is "twenty-eight trillion, six hundred fifty-seven billion, sixty million, three hundred thirty-six thousand, seven hundred thirty-six".