2237976378 has 160 divisors (see below), whose sum is σ = 5626558080. Its totient is φ = 659197440.

The previous prime is 2237976343. The next prime is 2237976379. The reversal of 2237976378 is 8736797322.

2237976378 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2237976379) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 16335526 + ... + 16335662.

It is an arithmetic number, because the mean of its divisors is an integer number (35165988).

Almost surely, 2^2237976378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2237976378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2813279040).

2237976378 is an abundant number, since it is smaller than the sum of its proper divisors (3388581702).

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

2237976378 is a wasteful number, since it uses less digits than its factorization.

2237976378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 345 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 54.

The square root of 2237976378 is about 47307.2550249959. The cubic root of 2237976378 is about 1308.0323933565.

The spelling of 2237976378 in words is "two billion, two hundred thirty-seven million, nine hundred seventy-six thousand, three hundred seventy-eight".