4971852978 has 8 divisors (see below), whose sum is σ = 9943705968. Its totient is φ = 1657284324.

The previous prime is 4971852973. The next prime is 4971852979. The reversal of 4971852978 is 8792581794.

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

4971852978 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4971852971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414321076 + ... + 414321087.

It is an arithmetic number, because the mean of its divisors is an integer number (1242963246).

Almost surely, 2^4971852978 is an apocalyptic number.

4971852978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4971852978 is a wasteful number, since it uses less digits than its factorization.

4971852978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828642168.

The product of its digits is 10160640, while the sum is 60.

The square root of 4971852978 is about 70511.3677218078. The cubic root of 4971852978 is about 1706.7611913504.

The spelling of 4971852978 in words is "four billion, nine hundred seventy-one million, eight hundred fifty-two thousand, nine hundred seventy-eight".