84768737 has 2 divisors, whose sum is σ = 84768738. Its totient is φ = 84768736.

The previous prime is 84768721. The next prime is 84768743. The reversal of 84768737 is 73786748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80120401 + 4648336 = 8951^2 + 2156^2 .

It is a cyclic number.

It is not a de Polignac number, because 84768737 - 2⁴ = 84768721 is a prime.

It is not a weakly prime, because it can be changed into another prime (84768797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42384368 + 42384369.

It is an arithmetic number, because the mean of its divisors is an integer number (42384369).

Almost surely, 2^84768737 is an apocalyptic number.

It is an amenable number.

84768737 is a deficient number, since it is larger than the sum of its proper divisors (1).

84768737 is an equidigital number, since it uses as much as digits as its factorization.

84768737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1580544, while the sum is 50.

The square root of 84768737 is about 9206.9939176693. The cubic root of 84768737 is about 439.2838505144.

The spelling of 84768737 in words is "eighty-four million, seven hundred sixty-eight thousand, seven hundred thirty-seven".