84946787 has 2 divisors, whose sum is σ = 84946788. Its totient is φ = 84946786.

The previous prime is 84946781. The next prime is 84946859. The reversal of 84946787 is 78764948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84946787 - 2⁶ = 84946723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84946781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42473393 + 42473394.

It is an arithmetic number, because the mean of its divisors is an integer number (42473394).

Almost surely, 2^84946787 is an apocalyptic number.

84946787 is a deficient number, since it is larger than the sum of its proper divisors (1).

84946787 is an equidigital number, since it uses as much as digits as its factorization.

84946787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 53.

The square root of 84946787 is about 9216.6581253728. The cubic root of 84946787 is about 439.5911957105.

The spelling of 84946787 in words is "eighty-four million, nine hundred forty-six thousand, seven hundred eighty-seven".