2378478237 has 8 divisors (see below), whose sum is σ = 3171760704. Its totient is φ = 1585423968.

The previous prime is 2378478229. The next prime is 2378478247. The reversal of 2378478237 is 7328748732.

2378478237 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 sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2378478237 - 2³ = 2378478229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2378478237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378478227) 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, 31033 + ... + 75630.

It is an arithmetic number, because the mean of its divisors is an integer number (396470088).

Almost surely, 2^2378478237 is an apocalyptic number.

It is an amenable number.

2378478237 is a deficient number, since it is larger than the sum of its proper divisors (793282467).

2378478237 is a wasteful number, since it uses less digits than its factorization.

2378478237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114099.

The product of its digits is 3161088, while the sum is 51.

The square root of 2378478237 is about 48769.6446265502. The cubic root of 2378478237 is about 1334.8518282997.

The spelling of 2378478237 in words is "two billion, three hundred seventy-eight million, four hundred seventy-eight thousand, two hundred thirty-seven".