87975257983 has 2 divisors, whose sum is σ = 87975257984. Its totient is φ = 87975257982.

The previous prime is 87975257911. The next prime is 87975257999. The reversal of 87975257983 is 38975257978.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87975257983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87975251983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43987628991 + 43987628992.

It is an arithmetic number, because the mean of its divisors is an integer number (43987628992).

Almost surely, 2^87975257983 is an apocalyptic number.

87975257983 is a deficient number, since it is larger than the sum of its proper divisors (1).

87975257983 is an equidigital number, since it uses as much as digits as its factorization.

87975257983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 266716800, while the sum is 70.

The spelling of 87975257983 in words is "eighty-seven billion, nine hundred seventy-five million, two hundred fifty-seven thousand, nine hundred eighty-three".