2377378816 has 66 divisors (see below), whose sum is σ = 4860323108. Its totient is φ = 1162291200.

The previous prime is 2377378811. The next prime is 2377378823. The reversal of 2377378816 is 6188737732.

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2377378811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2261491 + ... + 2262541.

Almost surely, 2^2377378816 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 2377378816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2430161554).

2377378816 is an abundant number, since it is smaller than the sum of its proper divisors (2482944292).

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

2377378816 is an equidigital number, since it uses as much as digits as its factorization.

2377378816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 1100 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 52.

The square root of 2377378816 is about 48758.3717529616. The cubic root of 2377378816 is about 1334.6461239004.

The spelling of 2377378816 in words is "two billion, three hundred seventy-seven million, three hundred seventy-eight thousand, eight hundred sixteen".