89787601 has 2 divisors, whose sum is σ = 89787602. Its totient is φ = 89787600.

The previous prime is 89787589. The next prime is 89787613. The reversal of 89787601 is 10678798.

It is a balanced prime because it is at equal distance from previous prime (89787589) and next prime (89787613).

It can be written as a sum of positive squares in only one way, i.e., 85544001 + 4243600 = 9249^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 89787601 - 2²⁵ = 56233169 is a prime.

It is not a weakly prime, because it can be changed into another prime (89787661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44893800 + 44893801.

It is an arithmetic number, because the mean of its divisors is an integer number (44893801).

Almost surely, 2^89787601 is an apocalyptic number.

It is an amenable number.

89787601 is a deficient number, since it is larger than the sum of its proper divisors (1).

89787601 is an equidigital number, since it uses as much as digits as its factorization.

89787601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 89787601 is about 9475.6319578169. The cubic root of 89787601 is about 447.7876614513.

The spelling of 89787601 in words is "eighty-nine million, seven hundred eighty-seven thousand, six hundred one".