85223497045 has 32 divisors (see below), whose sum is σ = 110186790912. Its totient is φ = 63047411712.

The previous prime is 85223497027. The next prime is 85223497057. The reversal of 85223497045 is 54079432258.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 85223497045 - 2¹³ = 85223488853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85223497045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1605804 + ... + 1658026.

It is an arithmetic number, because the mean of its divisors is an integer number (3443337216).

Almost surely, 2^85223497045 is an apocalyptic number.

85223497045 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

85223497045 is a deficient number, since it is larger than the sum of its proper divisors (24963293867).

85223497045 is a wasteful number, since it uses less digits than its factorization.

85223497045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52581.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 85223497045 in words is "eighty-five billion, two hundred twenty-three million, four hundred ninety-seven thousand, forty-five".