89580137081 has 2 divisors, whose sum is σ = 89580137082. Its totient is φ = 89580137080.

The previous prime is 89580137033. The next prime is 89580137099. The reversal of 89580137081 is 18073108598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81844055056 + 7736082025 = 286084^2 + 87955^2 .

It is a cyclic number.

It is not a de Polignac number, because 89580137081 - 2¹⁴ = 89580120697 is a prime.

It is a super-2 number, since 2×89580137081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89580137021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44790068540 + 44790068541.

It is an arithmetic number, because the mean of its divisors is an integer number (44790068541).

Almost surely, 2^89580137081 is an apocalyptic number.

It is an amenable number.

89580137081 is a deficient number, since it is larger than the sum of its proper divisors (1).

89580137081 is an equidigital number, since it uses as much as digits as its factorization.

89580137081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 50.

The spelling of 89580137081 in words is "eighty-nine billion, five hundred eighty million, one hundred thirty-seven thousand, eighty-one".