2478659231 has 8 divisors (see below), whose sum is σ = 2610113280. Its totient is φ = 2347305048.

The previous prime is 2478659221. The next prime is 2478659243. The reversal of 2478659231 is 1329568742.

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

It is a cyclic number.

It is not a de Polignac number, because 2478659231 - 2¹⁰ = 2478658207 is a prime.

It is a super-2 number, since 2×2478659231² = 12287503166843022722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478659221) 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, 29000 + ... + 76146.

It is an arithmetic number, because the mean of its divisors is an integer number (326264160).

Almost surely, 2^2478659231 is an apocalyptic number.

2478659231 is a deficient number, since it is larger than the sum of its proper divisors (131454049).

2478659231 is a wasteful number, since it uses less digits than its factorization.

2478659231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49933.

The product of its digits is 725760, while the sum is 47.

The square root of 2478659231 is about 49786.1349273068. The cubic root of 2478659231 is about 1353.3359166166.

The spelling of 2478659231 in words is "two billion, four hundred seventy-eight million, six hundred fifty-nine thousand, two hundred thirty-one".