28075097229732 has 96 divisors (see below), whose sum is σ = 83620999741440. Its totient is φ = 7979459156640.

The previous prime is 28075097229617. The next prime is 28075097229733. The reversal of 28075097229732 is 23792279057082.

28075097229732 is a `hidden beast` number, since 2 + 8 + 0 + 7 + 509 + 7 + 2 + 2 + 97 + 32 = 666.

It is a super-2 number, since 2×28075097229732² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 28075097229732.

It is not an unprimeable number, because it can be changed into a prime (28075097229733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97071238 + ... + 97360029.

It is an arithmetic number, because the mean of its divisors is an integer number (871052080640).

Almost surely, 2^{28075097229732} is an apocalyptic number.

It is an amenable number.

28075097229732 is an abundant number, since it is smaller than the sum of its proper divisors (55545902511708).

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

28075097229732 is a wasteful number, since it uses less digits than its factorization.

28075097229732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194431478 (or 194431470 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 28075097229732 in words is "twenty-eight trillion, seventy-five billion, ninety-seven million, two hundred twenty-nine thousand, seven hundred thirty-two".