3806778728153 has 2 divisors, whose sum is σ = 3806778728154. Its totient is φ = 3806778728152.

The previous prime is 3806778728111. The next prime is 3806778728171. The reversal of 3806778728153 is 3518278776083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2060752123024 + 1746026605129 = 1435532^2 + 1321373^2 .

It is a cyclic number.

It is not a de Polignac number, because 3806778728153 - 2³⁰ = 3805704986329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3806778728153.

It is not a weakly prime, because it can be changed into another prime (3806778328153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1903389364076 + 1903389364077.

It is an arithmetic number, because the mean of its divisors is an integer number (1903389364077).

Almost surely, 2^{3806778728153} is an apocalyptic number.

It is an amenable number.

3806778728153 is a deficient number, since it is larger than the sum of its proper divisors (1).

3806778728153 is an equidigital number, since it uses as much as digits as its factorization.

3806778728153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94832640, while the sum is 65.

The spelling of 3806778728153 in words is "three trillion, eight hundred six billion, seven hundred seventy-eight million, seven hundred twenty-eight thousand, one hundred fifty-three".