87508420927 has 2 divisors, whose sum is σ = 87508420928. Its totient is φ = 87508420926.

The previous prime is 87508420913. The next prime is 87508420931. The reversal of 87508420927 is 72902480578.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87508420927 - 2²⁷ = 87374203199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87508420997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43754210463 + 43754210464.

It is an arithmetic number, because the mean of its divisors is an integer number (43754210464).

Almost surely, 2^87508420927 is an apocalyptic number.

87508420927 is a deficient number, since it is larger than the sum of its proper divisors (1).

87508420927 is an equidigital number, since it uses as much as digits as its factorization.

87508420927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 87508420927 in words is "eighty-seven billion, five hundred eight million, four hundred twenty thousand, nine hundred twenty-seven".