377743128 has 64 divisors (see below), whose sum is σ = 1142760960. Its totient is φ = 101577216.

The previous prime is 377743109. The next prime is 377743129. The reversal of 377743128 is 821347773.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 377743128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (377743129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63276 + ... + 68987.

It is an arithmetic number, because the mean of its divisors is an integer number (17855640).

Almost surely, 2^377743128 is an apocalyptic number.

It is an amenable number.

377743128 is an abundant number, since it is smaller than the sum of its proper divisors (765017832).

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

377743128 is a wasteful number, since it uses less digits than its factorization.

377743128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132296 (or 132292 counting only the distinct ones).

The product of its digits is 197568, while the sum is 42.

The square root of 377743128 is about 19435.6149375316. The cubic root of 377743128 is about 722.8788595822.

The spelling of 377743128 in words is "three hundred seventy-seven million, seven hundred forty-three thousand, one hundred twenty-eight".