28952757288 has 160 divisors (see below), whose sum is σ = 99808853760. Its totient is φ = 7635876480.

The previous prime is 28952757287. The next prime is 28952757299. The reversal of 28952757288 is 88275725982.

28952757288 is a `hidden beast` number, since 2 + 8 + 9 + 52 + 7 + 572 + 8 + 8 = 666.

It is a super-2 number, since 2×28952757288² (a number of 22 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (28952757287) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 186528 + ... + 304463.

It is an arithmetic number, because the mean of its divisors is an integer number (623805336).

Almost surely, 2^28952757288 is an apocalyptic number.

28952757288 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28952757288 is an abundant number, since it is smaller than the sum of its proper divisors (70856096472).

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

28952757288 is a wasteful number, since it uses less digits than its factorization.

28952757288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491029 (or 491016 counting only the distinct ones).

The product of its digits is 45158400, while the sum is 63.

The spelling of 28952757288 in words is "twenty-eight billion, nine hundred fifty-two million, seven hundred fifty-seven thousand, two hundred eighty-eight".