4777097985 has 128 divisors (see below), whose sum is σ = 9800663040. Its totient is φ = 2185920000.

The previous prime is 4777097947. The next prime is 4777097987. The reversal of 4777097985 is 5897907774.

4777097985 is a `hidden beast` number, since 477 + 70 + 9 + 7 + 98 + 5 = 666.

4777097985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4777097985 - 2¹² = 4777093889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4777097987) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1886170 + ... + 1888700.

It is an arithmetic number, because the mean of its divisors is an integer number (76567680).

Almost surely, 2^4777097985 is an apocalyptic number.

4777097985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4777097985 is an abundant number, since it is smaller than the sum of its proper divisors (5023565055).

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

4777097985 is a wasteful number, since it uses less digits than its factorization.

4777097985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628 (or 2622 counting only the distinct ones).

The product of its (nonzero) digits is 31116960, while the sum is 63.

The square root of 4777097985 is about 69116.5536250181. The cubic root of 4777097985 is about 1684.1782319588.

The spelling of 4777097985 in words is "four billion, seven hundred seventy-seven million, ninety-seven thousand, nine hundred eighty-five".