1779111962880 has 576 divisors, whose sum is σ = 6737547264000. Its totient is φ = 391522222080.

The previous prime is 1779111962839. The next prime is 1779111962993. The reversal of 1779111962880 is 882691119771.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 165817356 + ... + 165828084.

Almost surely, 2^{1779111962880} is an apocalyptic number.

1779111962880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1779111962880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3368773632000).

1779111962880 is an abundant number, since it is smaller than the sum of its proper divisors (4958435301120).

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

1779111962880 is a wasteful number, since it uses less digits than its factorization.

1779111962880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990 (or 10976 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 60.

The spelling of 1779111962880 in words is "one trillion, seven hundred seventy-nine billion, one hundred eleven million, nine hundred sixty-two thousand, eight hundred eighty".