3554401623887 has 2 divisors, whose sum is σ = 3554401623888. Its totient is φ = 3554401623886.

The previous prime is 3554401623811. The next prime is 3554401623919. The reversal of 3554401623887 is 7883261044553.

It is a strong prime.

It is an emirp because it is prime and its reverse (7883261044553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3554401623887 - 2⁸ = 3554401623631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3554401623587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1777200811943 + 1777200811944.

It is an arithmetic number, because the mean of its divisors is an integer number (1777200811944).

Almost surely, 2^{3554401623887} is an apocalyptic number.

3554401623887 is a deficient number, since it is larger than the sum of its proper divisors (1).

3554401623887 is an equidigital number, since it uses as much as digits as its factorization.

3554401623887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19353600, while the sum is 56.

The spelling of 3554401623887 in words is "three trillion, five hundred fifty-four billion, four hundred one million, six hundred twenty-three thousand, eight hundred eighty-seven".