28737527913 has 12 divisors (see below), whose sum is σ = 41560956528. Its totient is φ = 19134723960.

The previous prime is 28737527857. The next prime is 28737527939. The reversal of 28737527913 is 31972573782.

28737527913 is a `hidden beast` number, since 2 + 87 + 37 + 527 + 9 + 1 + 3 = 666.

It is not a de Polignac number, because 28737527913 - 2⁸ = 28737527657 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28737527913.

It is not an unprimeable number, because it can be changed into a prime (28737527993) 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, 1961295 + ... + 1975892.

It is an arithmetic number, because the mean of its divisors is an integer number (3463413044).

Almost surely, 2^28737527913 is an apocalyptic number.

It is an amenable number.

28737527913 is a deficient number, since it is larger than the sum of its proper divisors (12823428615).

28737527913 is a wasteful number, since it uses less digits than its factorization.

28737527913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938004 (or 3938001 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 54.

The spelling of 28737527913 in words is "twenty-eight billion, seven hundred thirty-seven million, five hundred twenty-seven thousand, nine hundred thirteen".