87128077326467 has 2 divisors, whose sum is σ = 87128077326468. Its totient is φ = 87128077326466.

The previous prime is 87128077326461. The next prime is 87128077326487. The reversal of 87128077326467 is 76462377082178.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87128077326467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87128077326397 and 87128077326406.

It is not a weakly prime, because it can be changed into another prime (87128077326461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43564038663233 + 43564038663234.

It is an arithmetic number, because the mean of its divisors is an integer number (43564038663234).

Almost surely, 2^{87128077326467} is an apocalyptic number.

87128077326467 is a deficient number, since it is larger than the sum of its proper divisors (1).

87128077326467 is an equidigital number, since it uses as much as digits as its factorization.

87128077326467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 265531392, while the sum is 68.

The spelling of 87128077326467 in words is "eighty-seven trillion, one hundred twenty-eight billion, seventy-seven million, three hundred twenty-six thousand, four hundred sixty-seven".