28348337852 has 6 divisors (see below), whose sum is σ = 49609591248. Its totient is φ = 14174168924.

The previous prime is 28348337851. The next prime is 28348337873. The reversal of 28348337852 is 25873384382.

It is a super-2 number, since 2×28348337852² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28348337794 and 28348337803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28348337851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3543542228 + ... + 3543542235.

It is an arithmetic number, because the mean of its divisors is an integer number (8268265208).

Almost surely, 2^28348337852 is an apocalyptic number.

It is an amenable number.

28348337852 is a deficient number, since it is larger than the sum of its proper divisors (21261253396).

28348337852 is a wasteful number, since it uses less digits than its factorization.

28348337852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7087084467 (or 7087084465 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 53.

The spelling of 28348337852 in words is "twenty-eight billion, three hundred forty-eight million, three hundred thirty-seven thousand, eight hundred fifty-two".