28600500676464 has 140 divisors (see below), whose sum is σ = 83182446499800. Its totient is φ = 9521997005952.

The previous prime is 28600500676463. The next prime is 28600500676493. The reversal of 28600500676464 is 46467600500682.

28600500676464 is a `hidden beast` number, since 2 + 8 + 6 + 0 + 0 + 500 + 6 + 76 + 4 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 28600500676464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28600500676463) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 8190547 + ... + 11148365.

Almost surely, 2^{28600500676464} is an apocalyptic number.

28600500676464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28600500676464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41591223249900).

28600500676464 is an abundant number, since it is smaller than the sum of its proper divisors (54581945823336).

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

28600500676464 is an equidigital number, since it uses as much as digits as its factorization.

28600500676464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958674 (or 2958653 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 28600500676464 in words is "twenty-eight trillion, six hundred billion, five hundred million, six hundred seventy-six thousand, four hundred sixty-four".