90465847 has 2 divisors, whose sum is σ = 90465848. Its totient is φ = 90465846.

The previous prime is 90465841. The next prime is 90465853. The reversal of 90465847 is 74856409.

It is a balanced prime because it is at equal distance from previous prime (90465841) and next prime (90465853).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90465847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90465841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45232923 + 45232924.

It is an arithmetic number, because the mean of its divisors is an integer number (45232924).

Almost surely, 2^90465847 is an apocalyptic number.

90465847 is a deficient number, since it is larger than the sum of its proper divisors (1).

90465847 is an equidigital number, since it uses as much as digits as its factorization.

90465847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 90465847 is about 9511.3535840069. The cubic root of 90465847 is about 448.9123477426.

The spelling of 90465847 in words is "ninety million, four hundred sixty-five thousand, eight hundred forty-seven".