87837423979 has 2 divisors, whose sum is σ = 87837423980. Its totient is φ = 87837423978.

The previous prime is 87837423953. The next prime is 87837423983. The reversal of 87837423979 is 97932473878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87837423979 - 2⁷ = 87837423851 is a prime.

It is not a weakly prime, because it can be changed into another prime (87834423979) 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, 43918711989 + 43918711990.

It is an arithmetic number, because the mean of its divisors is an integer number (43918711990).

Almost surely, 2^87837423979 is an apocalyptic number.

87837423979 is a deficient number, since it is larger than the sum of its proper divisors (1).

87837423979 is an equidigital number, since it uses as much as digits as its factorization.

87837423979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128024064, while the sum is 67.

The spelling of 87837423979 in words is "eighty-seven billion, eight hundred thirty-seven million, four hundred twenty-three thousand, nine hundred seventy-nine".