3853213396478 has 64 divisors (see below), whose sum is σ = 6129580179456. Its totient is φ = 1814238972000.

The previous prime is 3853213396433. The next prime is 3853213396481. The reversal of 3853213396478 is 8746933123583.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 3853213396478.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127629701 + ... + 127659887.

It is an arithmetic number, because the mean of its divisors is an integer number (95774690304).

Almost surely, 2^{3853213396478} is an apocalyptic number.

3853213396478 is a deficient number, since it is larger than the sum of its proper divisors (2276366782978).

3853213396478 is a wasteful number, since it uses less digits than its factorization.

3853213396478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30669.

The product of its digits is 78382080, while the sum is 62.

The spelling of 3853213396478 in words is "three trillion, eight hundred fifty-three billion, two hundred thirteen million, three hundred ninety-six thousand, four hundred seventy-eight".