5351638787 has 8 divisors (see below), whose sum is σ = 5865822912. Its totient is φ = 4842066600.

The previous prime is 5351638759. The next prime is 5351638793. The reversal of 5351638787 is 7878361535.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5351638787 - 2⁶ = 5351638723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5351638387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150553 + ... + 1155194.

It is an arithmetic number, because the mean of its divisors is an integer number (733227864).

Almost surely, 2^5351638787 is an apocalyptic number.

5351638787 is a deficient number, since it is larger than the sum of its proper divisors (514184125).

5351638787 is a wasteful number, since it uses less digits than its factorization.

5351638787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305969.

The product of its digits is 4233600, while the sum is 53.

The square root of 5351638787 is about 73154.8958512006. The cubic root of 5351638787 is about 1749.1575577280.

The spelling of 5351638787 in words is "five billion, three hundred fifty-one million, six hundred thirty-eight thousand, seven hundred eighty-seven".