377391616 has 80 divisors (see below), whose sum is σ = 891728640. Its totient is φ = 156119040.

The previous prime is 377391589. The next prime is 377391673. The reversal of 377391616 is 616193773.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102121 + ... + 105751.

It is an arithmetic number, because the mean of its divisors is an integer number (11146608).

Almost surely, 2^377391616 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 377391616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445864320).

377391616 is an abundant number, since it is smaller than the sum of its proper divisors (514337024).

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

377391616 is an equidigital number, since it uses as much as digits as its factorization.

377391616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685 (or 3669 counting only the distinct ones).

The product of its digits is 142884, while the sum is 43.

The square root of 377391616 is about 19426.5698464757. The cubic root of 377391616 is about 722.6545630219.

The spelling of 377391616 in words is "three hundred seventy-seven million, three hundred ninety-one thousand, six hundred sixteen".