2087776051787 has 2 divisors, whose sum is σ = 2087776051788. Its totient is φ = 2087776051786.

The previous prime is 2087776051733. The next prime is 2087776051793. The reversal of 2087776051787 is 7871506777802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2087776051787 - 2⁶ = 2087776051723 is a prime.

It is not a weakly prime, because it can be changed into another prime (2087776051727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043888025893 + 1043888025894.

It is an arithmetic number, because the mean of its divisors is an integer number (1043888025894).

Almost surely, 2^{2087776051787} is an apocalyptic number.

2087776051787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2087776051787 is an equidigital number, since it uses as much as digits as its factorization.

2087776051787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64538880, while the sum is 65.

The spelling of 2087776051787 in words is "two trillion, eighty-seven billion, seven hundred seventy-six million, fifty-one thousand, seven hundred eighty-seven".