1868077076488 has 128 divisors (see below), whose sum is σ = 4235096678400. Its totient is φ = 755180464896.

The previous prime is 1868077076479. The next prime is 1868077076531. The reversal of 1868077076488 is 8846707708681.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86783695 + ... + 86805217.

It is an arithmetic number, because the mean of its divisors is an integer number (33086692800).

Almost surely, 2^{1868077076488} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1868077076488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2117548339200).

1868077076488 is an abundant number, since it is smaller than the sum of its proper divisors (2367019601912).

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

1868077076488 is a wasteful number, since it uses less digits than its factorization.

1868077076488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22491 (or 22487 counting only the distinct ones).

The product of its (nonzero) digits is 202309632, while the sum is 70.

The spelling of 1868077076488 in words is "one trillion, eight hundred sixty-eight billion, seventy-seven million, seventy-six thousand, four hundred eighty-eight".