4778240971 has 8 divisors (see below), whose sum is σ = 5473177344. Its totient is φ = 4086387240.

The previous prime is 4778240923. The next prime is 4778241001. The reversal of 4778240971 is 1790428774.

It is a happy number.

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 4778240971 - 2¹³ = 4778232779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4778240771) 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, 767335 + ... + 773536.

It is an arithmetic number, because the mean of its divisors is an integer number (684147168).

Almost surely, 2^4778240971 is an apocalyptic number.

4778240971 is a deficient number, since it is larger than the sum of its proper divisors (694936373).

4778240971 is a wasteful number, since it uses less digits than its factorization.

4778240971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541321.

The product of its (nonzero) digits is 790272, while the sum is 49.

The square root of 4778240971 is about 69124.8216706560. The cubic root of 4778240971 is about 1684.3125421363.

The spelling of 4778240971 in words is "four billion, seven hundred seventy-eight million, two hundred forty thousand, nine hundred seventy-one".