1228833763848 has 40 divisors (see below), whose sum is σ = 3441872349630. Its totient is φ = 409611254400.

The previous prime is 1228833763847. The next prime is 1228833763879. The reversal of 1228833763848 is 8483673388221.

1228833763848 is a `hidden beast` number, since 1 + 228 + 8 + 3 + 376 + 38 + 4 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 778273311204 + 450560452644 = 882198^2 + 671238^2 .

It is not an unprimeable number, because it can be changed into a prime (1228833763847) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 948173553 + ... + 948174848.

Almost surely, 2^{1228833763848} is an apocalyptic number.

1228833763848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1228833763848 is an abundant number, since it is smaller than the sum of its proper divisors (2213038585782).

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

1228833763848 is a wasteful number, since it uses less digits than its factorization.

1228833763848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896348419 (or 1896348406 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 63.

The spelling of 1228833763848 in words is "one trillion, two hundred twenty-eight billion, eight hundred thirty-three million, seven hundred sixty-three thousand, eight hundred forty-eight".