87381825467 has 2 divisors, whose sum is σ = 87381825468. Its totient is φ = 87381825466.

The previous prime is 87381825431. The next prime is 87381825521. The reversal of 87381825467 is 76452818378.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87381825467 - 2⁶ = 87381825403 is a prime.

It is not a weakly prime, because it can be changed into another prime (87381825967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43690912733 + 43690912734.

It is an arithmetic number, because the mean of its divisors is an integer number (43690912734).

Almost surely, 2^87381825467 is an apocalyptic number.

87381825467 is a deficient number, since it is larger than the sum of its proper divisors (1).

87381825467 is an equidigital number, since it uses as much as digits as its factorization.

87381825467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18063360, while the sum is 59.

The spelling of 87381825467 in words is "eighty-seven billion, three hundred eighty-one million, eight hundred twenty-five thousand, four hundred sixty-seven".