28732003057 has 2 divisors, whose sum is σ = 28732003058. Its totient is φ = 28732003056.

The previous prime is 28732003043. The next prime is 28732003061. The reversal of 28732003057 is 75030023782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16661904561 + 12070098496 = 129081^2 + 109864^2 .

It is a cyclic number.

It is not a de Polignac number, because 28732003057 - 2¹¹ = 28732001009 is a prime.

It is not a weakly prime, because it can be changed into another prime (28732003087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14366001528 + 14366001529.

It is an arithmetic number, because the mean of its divisors is an integer number (14366001529).

Almost surely, 2^28732003057 is an apocalyptic number.

It is an amenable number.

28732003057 is a deficient number, since it is larger than the sum of its proper divisors (1).

28732003057 is an equidigital number, since it uses as much as digits as its factorization.

28732003057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 28732003057 in words is "twenty-eight billion, seven hundred thirty-two million, three thousand, fifty-seven".