377978404880 has 80 divisors (see below), whose sum is σ = 887521580400. Its totient is φ = 149698160640.

The previous prime is 377978404879. The next prime is 377978404897. The reversal of 377978404880 is 88404879773.

It can be written as a sum of positive squares in 8 ways, for example, as 5155814416 + 372822590464 = 71804^2 + 610592^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3258926 + ... + 3372914.

It is an arithmetic number, because the mean of its divisors is an integer number (11094019755).

Almost surely, 2^377978404880 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 377978404880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443760790200).

377978404880 is an abundant number, since it is smaller than the sum of its proper divisors (509543175520).

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

377978404880 is a wasteful number, since it uses less digits than its factorization.

377978404880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114412 (or 114406 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 65.

The spelling of 377978404880 in words is "three hundred seventy-seven billion, nine hundred seventy-eight million, four hundred four thousand, eight hundred eighty".