808147028 has 12 divisors (see below), whose sum is σ = 1523046420. Its totient is φ = 372990912.

The previous prime is 808147027. The next prime is 808147049. The reversal of 808147028 is 820741808.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 533979664 + 274167364 = 23108^2 + 16558^2 .

It is a junction number, because it is equal to n+sod(n) for n = 808146982 and 808147000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808147027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7770593 + ... + 7770696.

It is an arithmetic number, because the mean of its divisors is an integer number (126920535).

Almost surely, 2^808147028 is an apocalyptic number.

It is an amenable number.

808147028 is a deficient number, since it is larger than the sum of its proper divisors (714899392).

808147028 is a wasteful number, since it uses less digits than its factorization.

808147028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15541306 (or 15541304 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 38.

The square root of 808147028 is about 28427.9269029594. The cubic root of 808147028 is about 931.4583924244.

The spelling of 808147028 in words is "eight hundred eight million, one hundred forty-seven thousand, twenty-eight".