85185422074 has 32 divisors (see below), whose sum is σ = 129496295376. Its totient is φ = 42024652800.

The previous prime is 85185422053. The next prime is 85185422087. The reversal of 85185422074 is 47022458158.

It can be written as a sum of positive squares in 8 ways, for example, as 45567306225 + 39618115849 = 213465^2 + 199043^2 .

It is a super-2 number, since 2×85185422074² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34389324 + ... + 34391800.

Almost surely, 2^85185422074 is an apocalyptic number.

85185422074 is a deficient number, since it is larger than the sum of its proper divisors (44310873302).

85185422074 is a wasteful number, since it uses less digits than its factorization.

85185422074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330.

The product of its (nonzero) digits is 716800, while the sum is 46.

The spelling of 85185422074 in words is "eighty-five billion, one hundred eighty-five million, four hundred twenty-two thousand, seventy-four".