8278643036 has 12 divisors (see below), whose sum is σ = 14760977112. Its totient is φ = 4061221008.

The previous prime is 8278642921. The next prime is 8278643047. The reversal of 8278643036 is 6303468728.

It is a super-2 number, since 2×8278643036² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19524890 + ... + 19525313.

It is an arithmetic number, because the mean of its divisors is an integer number (1230081426).

Almost surely, 2^8278643036 is an apocalyptic number.

It is an amenable number.

8278643036 is a deficient number, since it is larger than the sum of its proper divisors (6482334076).

8278643036 is a wasteful number, since it uses less digits than its factorization.

8278643036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39050260 (or 39050258 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 47.

The square root of 8278643036 is about 90987.0487267281. The cubic root of 8278643036 is about 2022.9557614312.

The spelling of 8278643036 in words is "eight billion, two hundred seventy-eight million, six hundred forty-three thousand, thirty-six".