89661763045 has 16 divisors (see below), whose sum is σ = 108476424000. Its totient is φ = 71142236928.

The previous prime is 89661763031. The next prime is 89661763063. The reversal of 89661763045 is 54036716698.

It is a cyclic number.

It is not a de Polignac number, because 89661763045 - 2⁷ = 89661762917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637326 + ... + 765184.

It is an arithmetic number, because the mean of its divisors is an integer number (6779776500).

Almost surely, 2^89661763045 is an apocalyptic number.

It is an amenable number.

89661763045 is a deficient number, since it is larger than the sum of its proper divisors (18814660955).

89661763045 is a wasteful number, since it uses less digits than its factorization.

89661763045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129012.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 89661763045 in words is "eighty-nine billion, six hundred sixty-one million, seven hundred sixty-three thousand, forty-five".