8428277636 has 6 divisors (see below), whose sum is σ = 14749485870. Its totient is φ = 4214138816.

The previous prime is 8428277633. The next prime is 8428277639. The reversal of 8428277636 is 6367728248.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8428277633) and next prime (8428277639).

It can be written as a sum of positive squares in only one way, i.e., 6412806400 + 2015471236 = 80080^2 + 44894^2 .

It is not an unprimeable number, because it can be changed into a prime (8428277633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053534701 + ... + 1053534708.

It is an arithmetic number, because the mean of its divisors is an integer number (2458247645).

Almost surely, 2^8428277636 is an apocalyptic number.

It is an amenable number.

8428277636 is a deficient number, since it is larger than the sum of its proper divisors (6321208234).

8428277636 is a wasteful number, since it uses less digits than its factorization.

8428277636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107069413 (or 2107069411 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 53.

The square root of 8428277636 is about 91805.6514382421. The cubic root of 8428277636 is about 2035.0712132311.

The spelling of 8428277636 in words is "eight billion, four hundred twenty-eight million, two hundred seventy-seven thousand, six hundred thirty-six".