85452403782 has 16 divisors (see below), whose sum is σ = 170912332800. Its totient is φ = 28482880392.

The previous prime is 85452403781. The next prime is 85452403801. The reversal of 85452403782 is 28730425458.

It is a super-2 number, since 2×85452403782² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85452403781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160158 + ... + 443345.

It is an arithmetic number, because the mean of its divisors is an integer number (10682020800).

Almost surely, 2^85452403782 is an apocalyptic number.

85452403782 is an abundant number, since it is smaller than the sum of its proper divisors (85459929018).

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

85452403782 is a wasteful number, since it uses less digits than its factorization.

85452403782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627107.

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 85452403782 in words is "eighty-five billion, four hundred fifty-two million, four hundred three thousand, seven hundred eighty-two".