2478237772 has 6 divisors (see below), whose sum is σ = 4336916108. Its totient is φ = 1239118884.

The previous prime is 2478237733. The next prime is 2478237779. The reversal of 2478237772 is 2777328742.

2478237772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2478237772³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2478237779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309779718 + ... + 309779725.

Almost surely, 2^2478237772 is an apocalyptic number.

It is an amenable number.

2478237772 is a deficient number, since it is larger than the sum of its proper divisors (1858678336).

2478237772 is a wasteful number, since it uses less digits than its factorization.

2478237772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619559447 (or 619559445 counting only the distinct ones).

The product of its digits is 1843968, while the sum is 49.

The square root of 2478237772 is about 49781.9020528545. The cubic root of 2478237772 is about 1353.2592074121.

The spelling of 2478237772 in words is "two billion, four hundred seventy-eight million, two hundred thirty-seven thousand, seven hundred seventy-two".