85628923984 has 10 divisors (see below), whose sum is σ = 165906040250. Its totient is φ = 42814461984.

The previous prime is 85628923969. The next prime is 85628924009. The reversal of 85628923984 is 48932982658.

It can be written as a sum of positive squares in only one way, i.e., 76935226384 + 8693697600 = 277372^2 + 93240^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2675903859 + ... + 2675903890.

It is an arithmetic number, because the mean of its divisors is an integer number (16590604025).

Almost surely, 2^85628923984 is an apocalyptic number.

It is an amenable number.

85628923984 is a deficient number, since it is larger than the sum of its proper divisors (80277116266).

85628923984 is a wasteful number, since it uses less digits than its factorization.

85628923984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5351807757 (or 5351807751 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 64.

The spelling of 85628923984 in words is "eighty-five billion, six hundred twenty-eight million, nine hundred twenty-three thousand, nine hundred eighty-four".