3545278085887 has 2 divisors, whose sum is σ = 3545278085888. Its totient is φ = 3545278085886.

The previous prime is 3545278085807. The next prime is 3545278085929. The reversal of 3545278085887 is 7885808725453.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3545278085887 - 2²³ = 3545269697279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3545278085807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1772639042943 + 1772639042944.

It is an arithmetic number, because the mean of its divisors is an integer number (1772639042944).

Almost surely, 2^{3545278085887} is an apocalyptic number.

3545278085887 is a deficient number, since it is larger than the sum of its proper divisors (1).

3545278085887 is an equidigital number, since it uses as much as digits as its factorization.

3545278085887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 602112000, while the sum is 70.

The spelling of 3545278085887 in words is "three trillion, five hundred forty-five billion, two hundred seventy-eight million, eighty-five thousand, eight hundred eighty-seven".