89077013 has 2 divisors, whose sum is σ = 89077014. Its totient is φ = 89077012.

The previous prime is 89077007. The next prime is 89077057. The reversal of 89077013 is 31077098.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88040689 + 1036324 = 9383^2 + 1018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89077013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89077063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44538506 + 44538507.

It is an arithmetic number, because the mean of its divisors is an integer number (44538507).

Almost surely, 2^89077013 is an apocalyptic number.

It is an amenable number.

89077013 is a deficient number, since it is larger than the sum of its proper divisors (1).

89077013 is an equidigital number, since it uses as much as digits as its factorization.

89077013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 89077013 is about 9438.0619302906. The cubic root of 89077013 is about 446.6032527360.

The spelling of 89077013 in words is "eighty-nine million, seventy-seven thousand, thirteen".