89563137077 has 4 divisors (see below), whose sum is σ = 89803253100. Its totient is φ = 89323021056.

The previous prime is 89563137047. The next prime is 89563137101. The reversal of 89563137077 is 77073136598.

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

It can be written as a sum of positive squares in 2 ways, for example, as 69026527441 + 20536609636 = 262729^2 + 143306^2 .

It is a cyclic number.

It is not a de Polignac number, because 89563137077 - 2²⁶ = 89496028213 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 (89563137047) 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, 120057452 + ... + 120058197.

It is an arithmetic number, because the mean of its divisors is an integer number (22450813275).

Almost surely, 2^89563137077 is an apocalyptic number.

It is an amenable number.

89563137077 is a deficient number, since it is larger than the sum of its proper divisors (240116023).

89563137077 is a wasteful number, since it uses less digits than its factorization.

89563137077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240116022.

The product of its (nonzero) digits is 6667920, while the sum is 56.

The spelling of 89563137077 in words is "eighty-nine billion, five hundred sixty-three million, one hundred thirty-seven thousand, seventy-seven".