2084777521 has 2 divisors, whose sum is σ = 2084777522. Its totient is φ = 2084777520.

The previous prime is 2084777509. The next prime is 2084777551. The reversal of 2084777521 is 1257774802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1371887521 + 712890000 = 37039^2 + 26700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2084777521 - 2⁷ = 2084777393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2084777551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042388760 + 1042388761.

It is an arithmetic number, because the mean of its divisors is an integer number (1042388761).

Almost surely, 2^2084777521 is an apocalyptic number.

It is an amenable number.

2084777521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2084777521 is an equidigital number, since it uses as much as digits as its factorization.

2084777521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 219520, while the sum is 43.

The square root of 2084777521 is about 45659.3640012648. The cubic root of 2084777521 is about 1277.4774377241.

The spelling of 2084777521 in words is "two billion, eighty-four million, seven hundred seventy-seven thousand, five hundred twenty-one".