85029005397 has 16 divisors (see below), whose sum is σ = 131764078080. Its totient is φ = 47764476912.

The previous prime is 85029005359. The next prime is 85029005419. The reversal of 85029005397 is 79350092058.

It is a happy number.

It is not a de Polignac number, because 85029005397 - 2¹⁰ = 85029004373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85029005197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34312323 + ... + 34314800.

It is an arithmetic number, because the mean of its divisors is an integer number (8235254880).

Almost surely, 2^85029005397 is an apocalyptic number.

It is an amenable number.

85029005397 is a deficient number, since it is larger than the sum of its proper divisors (46735072683).

85029005397 is a wasteful number, since it uses less digits than its factorization.

85029005397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68627192.

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 85029005397 in words is "eighty-five billion, twenty-nine million, five thousand, three hundred ninety-seven".