1348349777868 has 96 divisors (see below), whose sum is σ = 3235156666560. Its totient is φ = 436820623360.

The previous prime is 1348349777867. The next prime is 1348349777881. The reversal of 1348349777868 is 8687779438431.

It is a self number, because there is not a number n which added to its sum of digits gives 1348349777868.

It is not an unprimeable number, because it can be changed into a prime (1348349777861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213444646 + ... + 213450962.

It is an arithmetic number, because the mean of its divisors is an integer number (33699548610).

Almost surely, 2^{1348349777868} is an apocalyptic number.

It is an amenable number.

1348349777868 is an abundant number, since it is smaller than the sum of its proper divisors (1886806888692).

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

1348349777868 is a wasteful number, since it uses less digits than its factorization.

1348349777868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7947 (or 7945 counting only the distinct ones).

The product of its digits is 1365590016, while the sum is 75.

The spelling of 1348349777868 in words is "one trillion, three hundred forty-eight billion, three hundred forty-nine million, seven hundred seventy-seven thousand, eight hundred sixty-eight".