2087783101 has 2 divisors, whose sum is σ = 2087783102. Its totient is φ = 2087783100.

The previous prime is 2087783081. The next prime is 2087783161. The reversal of 2087783101 is 1013877802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2065702500 + 22080601 = 45450^2 + 4699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2087783101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2087783161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043891550 + 1043891551.

It is an arithmetic number, because the mean of its divisors is an integer number (1043891551).

Almost surely, 2^2087783101 is an apocalyptic number.

It is an amenable number.

2087783101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2087783101 is an equidigital number, since it uses as much as digits as its factorization.

2087783101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 2087783101 is about 45692.2652207132. The cubic root of 2087783101 is about 1278.0910470800.

The spelling of 2087783101 in words is "two billion, eighty-seven million, seven hundred eighty-three thousand, one hundred one".