377223981568 has 80 divisors (see below), whose sum is σ = 861743773440. Its totient is φ = 161599942656.

The previous prime is 377223981553. The next prime is 377223981569. The reversal of 377223981568 is 865189322773.

It is not an unprimeable number, because it can be changed into a prime (377223981569) 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, 9093418 + ... + 9134806.

It is an arithmetic number, because the mean of its divisors is an integer number (10771797168).

Almost surely, 2^377223981568 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 377223981568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430871886720).

377223981568 is an abundant number, since it is smaller than the sum of its proper divisors (484519791872).

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

377223981568 is an equidigital number, since it uses as much as digits as its factorization.

377223981568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43957 (or 43941 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 61.

The spelling of 377223981568 in words is "three hundred seventy-seven billion, two hundred twenty-three million, nine hundred eighty-one thousand, five hundred sixty-eight".