89620476917 has 4 divisors (see below), whose sum is σ = 92710838220. Its totient is φ = 86530115616.

The previous prime is 89620476899. The next prime is 89620476923. The reversal of 89620476917 is 71967402698.

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 66362396881 + 23258080036 = 257609^2 + 152506^2 .

It is a cyclic number.

It is not a de Polignac number, because 89620476917 - 2⁶ = 89620476853 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 (89620476217) 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, 1545180608 + ... + 1545180665.

It is an arithmetic number, because the mean of its divisors is an integer number (23177709555).

Almost surely, 2^89620476917 is an apocalyptic number.

It is an amenable number.

89620476917 is a deficient number, since it is larger than the sum of its proper divisors (3090361303).

89620476917 is a wasteful number, since it uses less digits than its factorization.

89620476917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090361302.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 89620476917 in words is "eighty-nine billion, six hundred twenty million, four hundred seventy-six thousand, nine hundred seventeen".