84567047 has 2 divisors, whose sum is σ = 84567048. Its totient is φ = 84567046.

The previous prime is 84567037. The next prime is 84567059. The reversal of 84567047 is 74076548.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84567047 - 2¹⁰ = 84566023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 84566995 and 84567013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84567037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42283523 + 42283524.

It is an arithmetic number, because the mean of its divisors is an integer number (42283524).

Almost surely, 2^84567047 is an apocalyptic number.

84567047 is a deficient number, since it is larger than the sum of its proper divisors (1).

84567047 is an equidigital number, since it uses as much as digits as its factorization.

84567047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 84567047 is about 9196.0343083310. The cubic root of 84567047 is about 438.9351782567.

The spelling of 84567047 in words is "eighty-four million, five hundred sixty-seven thousand, forty-seven".