4287872797 has 4 divisors (see below), whose sum is σ = 4617709180. Its totient is φ = 3958036416.

The previous prime is 4287872779. The next prime is 4287872851. The reversal of 4287872797 is 7972787824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1195845561 + 3092027236 = 34581^2 + 55606^2 .

It is a cyclic number.

It is not a de Polignac number, because 4287872797 - 2⁷ = 4287872669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287872737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164918172 + ... + 164918197.

It is an arithmetic number, because the mean of its divisors is an integer number (1154427295).

Almost surely, 2^4287872797 is an apocalyptic number.

It is an amenable number.

4287872797 is a deficient number, since it is larger than the sum of its proper divisors (329836383).

4287872797 is a wasteful number, since it uses less digits than its factorization.

4287872797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329836382.

The product of its digits is 22127616, while the sum is 61.

The square root of 4287872797 is about 65481.8508977869. The cubic root of 4287872797 is about 1624.6031753085.

The spelling of 4287872797 in words is "four billion, two hundred eighty-seven million, eight hundred seventy-two thousand, seven hundred ninety-seven".