85528000913 has 2 divisors, whose sum is σ = 85528000914. Its totient is φ = 85528000912.

The previous prime is 85528000903. The next prime is 85528001023. The reversal of 85528000913 is 31900082558.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69734549329 + 15793451584 = 264073^2 + 125672^2 .

It is a cyclic number.

It is not a de Polignac number, because 85528000913 - 2²² = 85523806609 is a prime.

It is not a weakly prime, because it can be changed into another prime (85528000903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42764000456 + 42764000457.

It is an arithmetic number, because the mean of its divisors is an integer number (42764000457).

Almost surely, 2^85528000913 is an apocalyptic number.

It is an amenable number.

85528000913 is a deficient number, since it is larger than the sum of its proper divisors (1).

85528000913 is an equidigital number, since it uses as much as digits as its factorization.

85528000913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 85528000913 in words is "eighty-five billion, five hundred twenty-eight million, nine hundred thirteen", and thus it is an aban number.