85340523730 has 32 divisors (see below), whose sum is σ = 191517436800. Its totient is φ = 26599643520.

The previous prime is 85340523713. The next prime is 85340523739. The reversal of 85340523730 is 3732504358.

It is a super-2 number, since 2×85340523730² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85340523739) 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, 55415155 + ... + 55416694.

It is an arithmetic number, because the mean of its divisors is an integer number (5984919900).

Almost surely, 2^85340523730 is an apocalyptic number.

85340523730 is an abundant number, since it is smaller than the sum of its proper divisors (106176913070).

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

85340523730 is a wasteful number, since it uses less digits than its factorization.

85340523730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110831874.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 85340523730 in words is "eighty-five billion, three hundred forty million, five hundred twenty-three thousand, seven hundred thirty".