89315747 has 2 divisors, whose sum is σ = 89315748. Its totient is φ = 89315746.

The previous prime is 89315711. The next prime is 89315749. The reversal of 89315747 is 74751398.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89315747 - 2⁸ = 89315491 is a prime.

Together with 89315749, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 89315698 and 89315707.

It is not a weakly prime, because it can be changed into another prime (89315749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44657873 + 44657874.

It is an arithmetic number, because the mean of its divisors is an integer number (44657874).

Almost surely, 2^89315747 is an apocalyptic number.

89315747 is a deficient number, since it is larger than the sum of its proper divisors (1).

89315747 is an equidigital number, since it uses as much as digits as its factorization.

89315747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 44.

The square root of 89315747 is about 9450.7008734802. The cubic root of 89315747 is about 447.0018751162.

The spelling of 89315747 in words is "eighty-nine million, three hundred fifteen thousand, seven hundred forty-seven".