89429700645 has 32 divisors (see below), whose sum is σ = 159019113600. Its totient is φ = 47685946752.

The previous prime is 89429700637. The next prime is 89429700739. The reversal of 89429700645 is 54600792498.

It is not a de Polignac number, because 89429700645 - 2³ = 89429700637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89429700591 and 89429700600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 609201 + ... + 741609.

It is an arithmetic number, because the mean of its divisors is an integer number (4969347300).

Almost surely, 2^89429700645 is an apocalyptic number.

It is an amenable number.

89429700645 is a deficient number, since it is larger than the sum of its proper divisors (69589412955).

89429700645 is a wasteful number, since it uses less digits than its factorization.

89429700645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137426 (or 137420 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 89429700645 in words is "eighty-nine billion, four hundred twenty-nine million, seven hundred thousand, six hundred forty-five".