89145717662 has 4 divisors (see below), whose sum is σ = 133718576496. Its totient is φ = 44572858830.

The previous prime is 89145717613. The next prime is 89145717667. The reversal of 89145717662 is 26671754198.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 89145717598 and 89145717607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89145717667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22286429414 + ... + 22286429417.

It is an arithmetic number, because the mean of its divisors is an integer number (33429644124).

Almost surely, 2^89145717662 is an apocalyptic number.

89145717662 is a deficient number, since it is larger than the sum of its proper divisors (44572858834).

89145717662 is a wasteful number, since it uses less digits than its factorization.

89145717662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44572858833.

The product of its digits is 5080320, while the sum is 56.

The spelling of 89145717662 in words is "eighty-nine billion, one hundred forty-five million, seven hundred seventeen thousand, six hundred sixty-two".