89509717463 has 4 divisors (see below), whose sum is σ = 89745891240. Its totient is φ = 89273543688.

The previous prime is 89509717447. The next prime is 89509717487. The reversal of 89509717463 is 36471790598.

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

It is a cyclic number.

It is not a de Polignac number, because 89509717463 - 2⁴ = 89509717447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89509719463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118086320 + ... + 118087077.

It is an arithmetic number, because the mean of its divisors is an integer number (22436472810).

Almost surely, 2^89509717463 is an apocalyptic number.

89509717463 is a deficient number, since it is larger than the sum of its proper divisors (236173777).

89509717463 is a wasteful number, since it uses less digits than its factorization.

89509717463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236173776.

The product of its (nonzero) digits is 11430720, while the sum is 59.

The spelling of 89509717463 in words is "eighty-nine billion, five hundred nine million, seven hundred seventeen thousand, four hundred sixty-three".