1804327747776 has 672 divisors, whose sum is σ = 5940176486400. Its totient is φ = 520578938880.

The previous prime is 1804327747769. The next prime is 1804327747787. The reversal of 1804327747776 is 6777477234081.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 616441225 + ... + 616444151.

Almost surely, 2^{1804327747776} is an apocalyptic number.

1804327747776 is a gapful number since it is divisible by the number (16) 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 1804327747776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2970088243200).

1804327747776 is an abundant number, since it is smaller than the sum of its proper divisors (4135848738624).

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

1804327747776 is a wasteful number, since it uses less digits than its factorization.

1804327747776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097 (or 3084 counting only the distinct ones).

The product of its (nonzero) digits is 77446656, while the sum is 63.

The spelling of 1804327747776 in words is "one trillion, eight hundred four billion, three hundred twenty-seven million, seven hundred forty-seven thousand, seven hundred seventy-six".