398878162035 has 64 divisors (see below), whose sum is σ = 677654691840. Its totient is φ = 200041223040.

The previous prime is 398878162031. The next prime is 398878162057. The reversal of 398878162035 is 530261878893.

It is not a de Polignac number, because 398878162035 - 2² = 398878162031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 398878162035.

It is not an unprimeable number, because it can be changed into a prime (398878162031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2972194 + ... + 3103496.

It is an arithmetic number, because the mean of its divisors is an integer number (10588354560).

Almost surely, 2^398878162035 is an apocalyptic number.

398878162035 is a deficient number, since it is larger than the sum of its proper divisors (278776529805).

398878162035 is a wasteful number, since it uses less digits than its factorization.

398878162035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131528.

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 398878162035 in words is "three hundred ninety-eight billion, eight hundred seventy-eight million, one hundred sixty-two thousand, thirty-five".