89761945966 has 32 divisors (see below), whose sum is σ = 171033804288. Its totient is φ = 34312331040.

The previous prime is 89761945963. The next prime is 89761946009. The reversal of 89761945966 is 66954916798.

It is a junction number, because it is equal to n+sod(n) for n = 89761945895 and 89761945904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89761945961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5490610 + ... + 5506933.

It is an arithmetic number, because the mean of its divisors is an integer number (5344806384).

Almost surely, 2^89761945966 is an apocalyptic number.

89761945966 is a deficient number, since it is larger than the sum of its proper divisors (81271858322).

89761945966 is a wasteful number, since it uses less digits than its factorization.

89761945966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10997616.

The product of its digits is 176359680, while the sum is 70.

The spelling of 89761945966 in words is "eighty-nine billion, seven hundred sixty-one million, nine hundred forty-five thousand, nine hundred sixty-six".