87671559739 has 2 divisors, whose sum is σ = 87671559740. Its totient is φ = 87671559738.

The previous prime is 87671559737. The next prime is 87671559749. The reversal of 87671559739 is 93795517678.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87671559739 - 2¹ = 87671559737 is a prime.

Together with 87671559737, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (87671559733) 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, 43835779869 + 43835779870.

It is an arithmetic number, because the mean of its divisors is an integer number (43835779870).

Almost surely, 2^87671559739 is an apocalyptic number.

87671559739 is a deficient number, since it is larger than the sum of its proper divisors (1).

87671559739 is an equidigital number, since it uses as much as digits as its factorization.

87671559739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100018800, while the sum is 67.

The spelling of 87671559739 in words is "eighty-seven billion, six hundred seventy-one million, five hundred fifty-nine thousand, seven hundred thirty-nine".