89875069 has 2 divisors, whose sum is σ = 89875070. Its totient is φ = 89875068.

The previous prime is 89875067. The next prime is 89875087. The reversal of 89875069 is 96057898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86025625 + 3849444 = 9275^2 + 1962^2 .

It is a cyclic number.

It is not a de Polignac number, because 89875069 - 2¹ = 89875067 is a prime.

It is a super-2 number, since 2×89875069² = 16155056055509522, which contains 22 as substring.

Together with 89875067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89875067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44937534 + 44937535.

It is an arithmetic number, because the mean of its divisors is an integer number (44937535).

Almost surely, 2^89875069 is an apocalyptic number.

It is an amenable number.

89875069 is a deficient number, since it is larger than the sum of its proper divisors (1).

89875069 is an equidigital number, since it uses as much as digits as its factorization.

89875069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 89875069 is about 9480.2462520759. The cubic root of 89875069 is about 447.9330207184.

The spelling of 89875069 in words is "eighty-nine million, eight hundred seventy-five thousand, sixty-nine".