84125047 has 2 divisors, whose sum is σ = 84125048. Its totient is φ = 84125046.

The previous prime is 84125029. The next prime is 84125051. The reversal of 84125047 is 74052148.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84125047 - 2¹¹ = 84122999 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84125057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42062523 + 42062524.

It is an arithmetic number, because the mean of its divisors is an integer number (42062524).

Almost surely, 2^84125047 is an apocalyptic number.

84125047 is a deficient number, since it is larger than the sum of its proper divisors (1).

84125047 is an equidigital number, since it uses as much as digits as its factorization.

84125047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 84125047 is about 9171.9707260763. The cubic root of 84125047 is about 438.1691259739.

The spelling of 84125047 in words is "eighty-four million, one hundred twenty-five thousand, forty-seven".