89405866892 has 24 divisors (see below), whose sum is σ = 163312027872. Its totient is φ = 42746457600.

The previous prime is 89405866861. The next prime is 89405866937. The reversal of 89405866892 is 29866850498.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164642 + ... + 453782.

It is an arithmetic number, because the mean of its divisors is an integer number (6804667828).

Almost surely, 2^89405866892 is an apocalyptic number.

It is an amenable number.

89405866892 is a deficient number, since it is larger than the sum of its proper divisors (73906160980).

89405866892 is a wasteful number, since it uses less digits than its factorization.

89405866892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292529 (or 292527 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 65.

The spelling of 89405866892 in words is "eighty-nine billion, four hundred five million, eight hundred sixty-six thousand, eight hundred ninety-two".