4786997820 has 96 divisors (see below), whose sum is σ = 15257894400. Its totient is φ = 1110024960.

The previous prime is 4786997783. The next prime is 4786997861. The reversal of 4786997820 is 287996874.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142495 + ... + 172854.

It is an arithmetic number, because the mean of its divisors is an integer number (158936400).

Almost surely, 2^4786997820 is an apocalyptic number.

It is an amenable number.

4786997820 is an abundant number, since it is smaller than the sum of its proper divisors (10470896580).

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

4786997820 is a wasteful number, since it uses less digits than its factorization.

4786997820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315395 (or 315393 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 60.

The square root of 4786997820 is about 69188.1335201348. The cubic root of 4786997820 is about 1685.3408333535.

The spelling of 4786997820 in words is "four billion, seven hundred eighty-six million, nine hundred ninety-seven thousand, eight hundred twenty".