84700777783 has 2 divisors, whose sum is σ = 84700777784. Its totient is φ = 84700777782.

The previous prime is 84700777769. The next prime is 84700777853. The reversal of 84700777783 is 38777700748.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84700777783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84700777723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42350388891 + 42350388892.

It is an arithmetic number, because the mean of its divisors is an integer number (42350388892).

Almost surely, 2^84700777783 is an apocalyptic number.

84700777783 is a deficient number, since it is larger than the sum of its proper divisors (1).

84700777783 is an equidigital number, since it uses as much as digits as its factorization.

84700777783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12907776, while the sum is 58.

The spelling of 84700777783 in words is "eighty-four billion, seven hundred million, seven hundred seventy-seven thousand, seven hundred eighty-three".