85700535029 has 2 divisors, whose sum is σ = 85700535030. Its totient is φ = 85700535028.

The previous prime is 85700535023. The next prime is 85700535071. The reversal of 85700535029 is 92053500758.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53865768100 + 31834766929 = 232090^2 + 178423^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85700535029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85700535023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42850267514 + 42850267515.

It is an arithmetic number, because the mean of its divisors is an integer number (42850267515).

Almost surely, 2^85700535029 is an apocalyptic number.

It is an amenable number.

85700535029 is a deficient number, since it is larger than the sum of its proper divisors (1).

85700535029 is an equidigital number, since it uses as much as digits as its factorization.

85700535029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 85700535029 in words is "eighty-five billion, seven hundred million, five hundred thirty-five thousand, twenty-nine".