28755148888872 has 96 divisors (see below), whose sum is σ = 93688455057600. Its totient is φ = 7783348568832.

The previous prime is 28755148888831. The next prime is 28755148888877. The reversal of 28755148888872 is 27888884155782.

28755148888872 is a `hidden beast` number, since 2 + 8 + 7 + 5 + 51 + 488 + 8 + 8 + 87 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 28755148888791 and 28755148888800.

It is not an unprimeable number, because it can be changed into a prime (28755148888877) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1501407973 + ... + 1501427124.

It is an arithmetic number, because the mean of its divisors is an integer number (975921406850).

Almost surely, 2^{28755148888872} is an apocalyptic number.

It is an amenable number.

28755148888872 is an abundant number, since it is smaller than the sum of its proper divisors (64933306168728).

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

28755148888872 is a wasteful number, since it uses less digits than its factorization.

28755148888872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002835135 (or 3002835128 counting only the distinct ones).

The product of its digits is 5138022400, while the sum is 81.

The spelling of 28755148888872 in words is "twenty-eight trillion, seven hundred fifty-five billion, one hundred forty-eight million, eight hundred eighty-eight thousand, eight hundred seventy-two".