89561093471 has 2 divisors, whose sum is σ = 89561093472. Its totient is φ = 89561093470.

The previous prime is 89561093429. The next prime is 89561093539. The reversal of 89561093471 is 17439016598.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89561093471 is a prime.

It is a super-3 number, since 3×89561093471³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89561093371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44780546735 + 44780546736.

It is an arithmetic number, because the mean of its divisors is an integer number (44780546736).

Almost surely, 2^89561093471 is an apocalyptic number.

89561093471 is a deficient number, since it is larger than the sum of its proper divisors (1).

89561093471 is an equidigital number, since it uses as much as digits as its factorization.

89561093471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 89561093471 in words is "eighty-nine billion, five hundred sixty-one million, ninety-three thousand, four hundred seventy-one".