89670071597761 has 4 divisors (see below), whose sum is σ = 89989182173124. Its totient is φ = 89350961022400.

The previous prime is 89670071597759. The next prime is 89670071597789. The reversal of 89670071597761 is 16779517007698.

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 23398358724225 + 66271712873536 = 4837185^2 + 8140744^2 .

It is a cyclic number.

It is not a de Polignac number, because 89670071597761 - 2¹ = 89670071597759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89670071597731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159555287260 + ... + 159555287821.

It is an arithmetic number, because the mean of its divisors is an integer number (22497295543281).

Almost surely, 2^{89670071597761} is an apocalyptic number.

It is an amenable number.

89670071597761 is a deficient number, since it is larger than the sum of its proper divisors (319110575363).

89670071597761 is a wasteful number, since it uses less digits than its factorization.

89670071597761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319110575362.

The product of its (nonzero) digits is 280052640, while the sum is 73.

The spelling of 89670071597761 in words is "eighty-nine trillion, six hundred seventy billion, seventy-one million, five hundred ninety-seven thousand, seven hundred sixty-one".