28103577230736 has 480 divisors, whose sum is σ = 99393068079360. Its totient is φ = 7554580992000.

The previous prime is 28103577230731. The next prime is 28103577230777. The reversal of 28103577230736 is 63703277530182.

28103577230736 is a `hidden beast` number, since 2 + 8 + 1 + 0 + 3 + 577 + 2 + 30 + 7 + 36 = 666.

It is a super-2 number, since 2×28103577230736² (a number of 28 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (28103577230731) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1144689661 + ... + 1144714211.

It is an arithmetic number, because the mean of its divisors is an integer number (207068891832).

Almost surely, 2^{28103577230736} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28103577230736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49696534039680).

28103577230736 is an abundant number, since it is smaller than the sum of its proper divisors (71289490848624).

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

28103577230736 is a wasteful number, since it uses less digits than its factorization.

28103577230736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27780 (or 27761 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 54.

The spelling of 28103577230736 in words is "twenty-eight trillion, one hundred three billion, five hundred seventy-seven million, two hundred thirty thousand, seven hundred thirty-six".