2378742247 has 16 divisors (see below), whose sum is σ = 2797918720. Its totient is φ = 1979637408.

The previous prime is 2378742229. The next prime is 2378742263. The reversal of 2378742247 is 7422478732.

It is a de Polignac number, because none of the positive numbers 2^k-2378742247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2378742197 and 2378742206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378742217) 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, 116704 + ... + 135562.

It is an arithmetic number, because the mean of its divisors is an integer number (174869920).

Almost surely, 2^2378742247 is an apocalyptic number.

2378742247 is a deficient number, since it is larger than the sum of its proper divisors (419176473).

2378742247 is a wasteful number, since it uses less digits than its factorization.

2378742247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19390.

The product of its digits is 1053696, while the sum is 46.

The square root of 2378742247 is about 48772.3512556038. The cubic root of 2378742247 is about 1334.9012157872.

The spelling of 2378742247 in words is "two billion, three hundred seventy-eight million, seven hundred forty-two thousand, two hundred forty-seven".