85000422490 has 32 divisors (see below), whose sum is σ = 153886086144. Its totient is φ = 33803626560.

The previous prime is 85000422413. The next prime is 85000422491. The reversal of 85000422490 is 9422400058.

It is not an unprimeable number, because it can be changed into a prime (85000422491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3783972 + ... + 3806368.

It is an arithmetic number, because the mean of its divisors is an integer number (4808940192).

Almost surely, 2^85000422490 is an apocalyptic number.

85000422490 is a deficient number, since it is larger than the sum of its proper divisors (68885663654).

85000422490 is a wasteful number, since it uses less digits than its factorization.

85000422490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24582.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 85000422490 in words is "eighty-five billion, four hundred twenty-two thousand, four hundred ninety".