1079821464678 has 96 divisors (see below), whose sum is σ = 2578683444480. Its totient is φ = 323843728320.

The previous prime is 1079821464661. The next prime is 1079821464697. The reversal of 1079821464678 is 8764641289701.

1079821464678 is a `hidden beast` number, since 1 + 0 + 7 + 98 + 21 + 464 + 67 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19028575 + ... + 19085237.

It is an arithmetic number, because the mean of its divisors is an integer number (26861285880).

Almost surely, 2^{1079821464678} is an apocalyptic number.

1079821464678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1079821464678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1289341722240).

1079821464678 is an abundant number, since it is smaller than the sum of its proper divisors (1498861979802).

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

1079821464678 is a wasteful number, since it uses less digits than its factorization.

1079821464678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57674 (or 57671 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The spelling of 1079821464678 in words is "one trillion, seventy-nine billion, eight hundred twenty-one million, four hundred sixty-four thousand, six hundred seventy-eight".