8219655028 has 36 divisors (see below), whose sum is σ = 15727359648. Its totient is φ = 3756823200.

The previous prime is 8219654909. The next prime is 8219655071. The reversal of 8219655028 is 8205569128.

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 11 ways as a sum of consecutive naturals, for example, 10603 + ... + 128653.

Almost surely, 2^8219655028 is an apocalyptic number.

It is an amenable number.

8219655028 is a deficient number, since it is larger than the sum of its proper divisors (7507704620).

8219655028 is a wasteful number, since it uses less digits than its factorization.

8219655028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118184 (or 118169 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 8219655028 is about 90662.3131626367. The cubic root of 8219655028 is about 2018.1395663404.

The spelling of 8219655028 in words is "eight billion, two hundred nineteen million, six hundred fifty-five thousand, twenty-eight".