863748651 has 8 divisors (see below), whose sum is σ = 1151856640. Its totient is φ = 575736552.

The previous prime is 863748637. The next prime is 863748659. The reversal of 863748651 is 156847368.

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

It is not a de Polignac number, because 863748651 - 2¹⁹ = 863224363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 863748651.

It is not an unprimeable number, because it can be changed into a prime (863748659) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 666 + ... + 41568.

It is an arithmetic number, because the mean of its divisors is an integer number (143982080).

Almost surely, 2^863748651 is an apocalyptic number.

863748651 is a deficient number, since it is larger than the sum of its proper divisors (288107989).

863748651 is a wasteful number, since it uses less digits than its factorization.

863748651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47945.

The product of its digits is 967680, while the sum is 48.

The square root of 863748651 is about 29389.6010690856. The cubic root of 863748651 is about 952.3482630411.

The spelling of 863748651 in words is "eight hundred sixty-three million, seven hundred forty-eight thousand, six hundred fifty-one".