1078677886920 has 32 divisors (see below), whose sum is σ = 3236033661120. Its totient is φ = 287647436480.

The previous prime is 1078677886907. The next prime is 1078677886921. The reversal of 1078677886920 is 296887768701.

It is not an unprimeable number, because it can be changed into a prime (1078677886921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4494491076 + ... + 4494491315.

It is an arithmetic number, because the mean of its divisors is an integer number (101126051910).

Almost surely, 2^{1078677886920} is an apocalyptic number.

1078677886920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1078677886920 is an abundant number, since it is smaller than the sum of its proper divisors (2157355774200).

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

1078677886920 is a wasteful number, since it uses less digits than its factorization.

1078677886920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8988982405 (or 8988982401 counting only the distinct ones).

The product of its (nonzero) digits is 113799168, while the sum is 69.

The spelling of 1078677886920 in words is "one trillion, seventy-eight billion, six hundred seventy-seven million, eight hundred eighty-six thousand, nine hundred twenty".