2471712978 has 96 divisors (see below), whose sum is σ = 5996928960. Its totient is φ = 676341120.

The previous prime is 2471712973. The next prime is 2471713031. The reversal of 2471712978 is 8792171742.

It is a super-2 number, since 2×2471712978² = 12218730091227256968, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2471712973) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1115800 + ... + 1118012.

It is an arithmetic number, because the mean of its divisors is an integer number (62468010).

Almost surely, 2^2471712978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2471712978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2998464480).

2471712978 is an abundant number, since it is smaller than the sum of its proper divisors (3525215982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2471712978 is a wasteful number, since it uses less digits than its factorization.

2471712978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392 (or 2385 counting only the distinct ones).

The product of its digits is 395136, while the sum is 48.

The square root of 2471712978 is about 49716.3250653143. The cubic root of 2471712978 is about 1352.0705270125.

The spelling of 2471712978 in words is "two billion, four hundred seventy-one million, seven hundred twelve thousand, nine hundred seventy-eight".