89473890884579 has 2 divisors, whose sum is σ = 89473890884580. Its totient is φ = 89473890884578.

The previous prime is 89473890884557. The next prime is 89473890884603. The reversal of 89473890884579 is 97548809837498.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89473890884579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89473890884494 and 89473890884503.

It is not a weakly prime, because it can be changed into another prime (89473890884479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44736945442289 + 44736945442290.

It is an arithmetic number, because the mean of its divisors is an integer number (44736945442290).

Almost surely, 2^{89473890884579} is an apocalyptic number.

89473890884579 is a deficient number, since it is larger than the sum of its proper divisors (1).

89473890884579 is an equidigital number, since it uses as much as digits as its factorization.

89473890884579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35115171840, while the sum is 89.

The spelling of 89473890884579 in words is "eighty-nine trillion, four hundred seventy-three billion, eight hundred ninety million, eight hundred eighty-four thousand, five hundred seventy-nine".