34786619887 has 2 divisors, whose sum is σ = 34786619888. Its totient is φ = 34786619886.

The previous prime is 34786619849. The next prime is 34786619891. The reversal of 34786619887 is 78891668743.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34786619887 - 2¹⁹ = 34786095599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34786619587) 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, 17393309943 + 17393309944.

It is an arithmetic number, because the mean of its divisors is an integer number (17393309944).

Almost surely, 2^34786619887 is an apocalyptic number.

34786619887 is a deficient number, since it is larger than the sum of its proper divisors (1).

34786619887 is an equidigital number, since it uses as much as digits as its factorization.

34786619887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97542144, while the sum is 67.

The spelling of 34786619887 in words is "thirty-four billion, seven hundred eighty-six million, six hundred nineteen thousand, eight hundred eighty-seven".