85602144052 has 24 divisors (see below), whose sum is σ = 153713016072. Its totient is φ = 41687616000.

The previous prime is 85602144049. The next prime is 85602144053. The reversal of 85602144052 is 25044120658.

It can be written as a sum of positive squares in 4 ways, for example, as 10916906256 + 74685237796 = 104484^2 + 273286^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85602144053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335683 + ... + 532810.

It is an arithmetic number, because the mean of its divisors is an integer number (6404709003).

Almost surely, 2^85602144052 is an apocalyptic number.

85602144052 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

85602144052 is a deficient number, since it is larger than the sum of its proper divisors (68110872020).

85602144052 is a wasteful number, since it uses less digits than its factorization.

85602144052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869139 (or 869137 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 85602144052 in words is "eighty-five billion, six hundred two million, one hundred forty-four thousand, fifty-two".