89746176641 has 32 divisors (see below), whose sum is σ = 100812843648. Its totient is φ = 79189770240.

The previous prime is 89746176629. The next prime is 89746176649. The reversal of 89746176641 is 14667164798.

It is a cyclic number.

It is not a de Polignac number, because 89746176641 - 2⁶ = 89746176577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89746176649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81810005 + ... + 81811101.

It is an arithmetic number, because the mean of its divisors is an integer number (3150401364).

Almost surely, 2^89746176641 is an apocalyptic number.

89746176641 is the 172961-st octagonal number.

It is an amenable number.

89746176641 is a deficient number, since it is larger than the sum of its proper divisors (11066667007).

89746176641 is a wasteful number, since it uses less digits than its factorization.

89746176641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081.

The product of its digits is 12192768, while the sum is 59.

The spelling of 89746176641 in words is "eighty-nine billion, seven hundred forty-six million, one hundred seventy-six thousand, six hundred forty-one".