85297040010 has 256 divisors, whose sum is σ = 286780677120. Its totient is φ = 17557585920.

The previous prime is 85297039979. The next prime is 85297040039. The reversal of 85297040010 is 1004079258.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 965034 + ... + 1049706.

It is an arithmetic number, because the mean of its divisors is an integer number (1120237020).

Almost surely, 2^85297040010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85297040010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143390338560).

85297040010 is an abundant number, since it is smaller than the sum of its proper divisors (201483637110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85297040010 is a wasteful number, since it uses less digits than its factorization.

85297040010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84750 (or 84744 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 85297040010 in words is "eighty-five billion, two hundred ninety-seven million, forty thousand, ten".