2478663832 has 8 divisors (see below), whose sum is σ = 4647494700. Its totient is φ = 1239331912.

The previous prime is 2478663823. The next prime is 2478663833. The reversal of 2478663832 is 2383668742.

It is a happy number.

2478663832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2478663832² = 12287548784129848448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478663833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154916482 + ... + 154916497.

Almost surely, 2^2478663832 is an apocalyptic number.

It is an amenable number.

2478663832 is a deficient number, since it is larger than the sum of its proper divisors (2168830868).

2478663832 is a wasteful number, since it uses less digits than its factorization.

2478663832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309832985 (or 309832981 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 49.

The square root of 2478663832 is about 49786.1811349294. The cubic root of 2478663832 is about 1353.3367539906.

The spelling of 2478663832 in words is "two billion, four hundred seventy-eight million, six hundred sixty-three thousand, eight hundred thirty-two".