89664766461 has 48 divisors (see below), whose sum is σ = 138686461056. Its totient is φ = 55687661568.

The previous prime is 89664766421. The next prime is 89664766469. The reversal of 89664766461 is 16466746698.

It is not a de Polignac number, because 89664766461 - 2¹⁵ = 89664733693 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89664766469) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3127785 + ... + 3156321.

It is an arithmetic number, because the mean of its divisors is an integer number (2889301272).

Almost surely, 2^89664766461 is an apocalyptic number.

It is an amenable number.

89664766461 is a deficient number, since it is larger than the sum of its proper divisors (49021694595).

89664766461 is a wasteful number, since it uses less digits than its factorization.

89664766461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28962 (or 28959 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 63.

The spelling of 89664766461 in words is "eighty-nine billion, six hundred sixty-four million, seven hundred sixty-six thousand, four hundred sixty-one".