89741665635 has 16 divisors (see below), whose sum is σ = 143692198560. Its totient is φ = 47827043840.

The previous prime is 89741665631. The next prime is 89741665649. The reversal of 89741665635 is 53656614798.

It is not a de Polignac number, because 89741665635 - 2² = 89741665631 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89741665631) 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, 2177520 + ... + 2218349.

It is an arithmetic number, because the mean of its divisors is an integer number (8980762410).

Almost surely, 2^89741665635 is an apocalyptic number.

89741665635 is a deficient number, since it is larger than the sum of its proper divisors (53950532925).

89741665635 is a wasteful number, since it uses less digits than its factorization.

89741665635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4397238.

The product of its digits is 32659200, while the sum is 60.

The spelling of 89741665635 in words is "eighty-nine billion, seven hundred forty-one million, six hundred sixty-five thousand, six hundred thirty-five".