8102778924 has 24 divisors (see below), whose sum is σ = 19226934720. Its totient is φ = 2655147664.

The previous prime is 8102778919. The next prime is 8102778961. The reversal of 8102778924 is 4298772018.

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 7 ways as a sum of consecutive naturals, for example, 5721594 + ... + 5723009.

It is an arithmetic number, because the mean of its divisors is an integer number (801122280).

Almost surely, 2^8102778924 is an apocalyptic number.

It is an amenable number.

8102778924 is an abundant number, since it is smaller than the sum of its proper divisors (11124155796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8102778924 is a wasteful number, since it uses less digits than its factorization.

8102778924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11444669 (or 11444667 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 8102778924 is about 90015.4371427479. The cubic root of 8102778924 is about 2008.5284910600.

It can be divided in two parts, 81027 and 78924, that added together give a palindrome (159951).

The spelling of 8102778924 in words is "eight billion, one hundred two million, seven hundred seventy-eight thousand, nine hundred twenty-four".