89505077 has 2 divisors, whose sum is σ = 89505078. Its totient is φ = 89505076.

The previous prime is 89505047. The next prime is 89505103. The reversal of 89505077 is 77050598.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67141636 + 22363441 = 8194^2 + 4729^2 .

It is a cyclic number.

It is not a de Polignac number, because 89505077 - 2¹⁰ = 89504053 is a prime.

It is a super-2 number, since 2×89505077² = 16022317617551858, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89505047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44752538 + 44752539.

It is an arithmetic number, because the mean of its divisors is an integer number (44752539).

Almost surely, 2^89505077 is an apocalyptic number.

It is an amenable number.

89505077 is a deficient number, since it is larger than the sum of its proper divisors (1).

89505077 is an equidigital number, since it uses as much as digits as its factorization.

89505077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 41.

The square root of 89505077 is about 9460.7122881948. The cubic root of 89505077 is about 447.3175011900.

The spelling of 89505077 in words is "eighty-nine million, five hundred five thousand, seventy-seven".