85223497044 has 48 divisors (see below), whose sum is σ = 227318311808. Its totient is φ = 24343607808.

The previous prime is 85223497027. The next prime is 85223497057. The reversal of 85223497044 is 44079432258.

It is a junction number, because it is equal to n+sod(n) for n = 85223496984 and 85223497002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226704 + ... + 471000.

Almost surely, 2^85223497044 is an apocalyptic number.

85223497044 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

85223497044 is an abundant number, since it is smaller than the sum of its proper divisors (142094814764).

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

85223497044 is a wasteful number, since it uses less digits than its factorization.

85223497044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248464 (or 248462 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 85223497044 in words is "eighty-five billion, two hundred twenty-three million, four hundred ninety-seven thousand, forty-four".