89628442087412 has 6 divisors (see below), whose sum is σ = 156849773652978. Its totient is φ = 44814221043704.

The previous prime is 89628442087409. The next prime is 89628442087451. The reversal of 89628442087412 is 21478024482698.

It can be written as a sum of positive squares in only one way, i.e., 84747011402596 + 4881430684816 = 9205814^2 + 2209396^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11203555260923 + ... + 11203555260930.

It is an arithmetic number, because the mean of its divisors is an integer number (26141628942163).

Almost surely, 2^{89628442087412} is an apocalyptic number.

It is an amenable number.

89628442087412 is a deficient number, since it is larger than the sum of its proper divisors (67221331565566).

89628442087412 is a wasteful number, since it uses less digits than its factorization.

89628442087412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22407110521857 (or 22407110521855 counting only the distinct ones).

The product of its (nonzero) digits is 99090432, while the sum is 65.

The spelling of 89628442087412 in words is "eighty-nine trillion, six hundred twenty-eight billion, four hundred forty-two million, eighty-seven thousand, four hundred twelve".