4987307778 has 8 divisors (see below), whose sum is σ = 9974615568. Its totient is φ = 1662435924.

The previous prime is 4987307761. The next prime is 4987307779. The reversal of 4987307778 is 8777037894.

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

4987307778 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4987307779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415608976 + ... + 415608987.

It is an arithmetic number, because the mean of its divisors is an integer number (1246826946).

Almost surely, 2^4987307778 is an apocalyptic number.

4987307778 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.

4987307778 is a wasteful number, since it uses less digits than its factorization.

4987307778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831217968.

The product of its (nonzero) digits is 16595712, while the sum is 60.

The square root of 4987307778 is about 70620.8735290070. The cubic root of 4987307778 is about 1708.5278277061.

The spelling of 4987307778 in words is "four billion, nine hundred eighty-seven million, three hundred seven thousand, seven hundred seventy-eight".