28528415037 has 12 divisors (see below), whose sum is σ = 43631693820. Its totient is φ = 17900181888.

The previous prime is 28528415017. The next prime is 28528415057. The reversal of 28528415037 is 73051482582.

28528415037 is a `hidden beast` number, since 2 + 8 + 528 + 41 + 50 + 37 = 666.

It is an interprime number because it is at equal distance from previous prime (28528415017) and next prime (28528415057).

It can be written as a sum of positive squares in 2 ways, for example, as 24267719961 + 4260695076 = 155781^2 + 65274^2 .

It is not a de Polignac number, because 28528415037 - 2¹⁹ = 28527890749 is a prime.

It is a super-2 number, since 2×28528415037² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28528414983 and 28528415001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28528415017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93229962 + ... + 93230267.

It is an arithmetic number, because the mean of its divisors is an integer number (3635974485).

Almost surely, 2^28528415037 is an apocalyptic number.

It is an amenable number.

28528415037 is a deficient number, since it is larger than the sum of its proper divisors (15103278783).

28528415037 is a wasteful number, since it uses less digits than its factorization.

28528415037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186460252 (or 186460249 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 28528415037 in words is "twenty-eight billion, five hundred twenty-eight million, four hundred fifteen thousand, thirty-seven".