84784741 has 2 divisors, whose sum is σ = 84784742. Its totient is φ = 84784740.

The previous prime is 84784717. The next prime is 84784747. The reversal of 84784741 is 14748748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72743841 + 12040900 = 8529^2 + 3470^2 .

It is a cyclic number.

It is not a de Polignac number, because 84784741 - 2⁹ = 84784229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84784747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42392370 + 42392371.

It is an arithmetic number, because the mean of its divisors is an integer number (42392371).

Almost surely, 2^84784741 is an apocalyptic number.

It is an amenable number.

84784741 is a deficient number, since it is larger than the sum of its proper divisors (1).

84784741 is an equidigital number, since it uses as much as digits as its factorization.

84784741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 200704, while the sum is 43.

The square root of 84784741 is about 9207.8629985464. The cubic root of 84784741 is about 439.3114937888.

The spelling of 84784741 in words is "eighty-four million, seven hundred eighty-four thousand, seven hundred forty-one".