7865872363 has 4 divisors (see below), whose sum is σ = 7866370120. Its totient is φ = 7865374608.

The previous prime is 7865872349. The next prime is 7865872393. The reversal of 7865872363 is 3632785687.

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

It is a cyclic number.

It is not a de Polignac number, because 7865872363 - 2⁵ = 7865872331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7865872303) 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, 224370 + ... + 257047.

It is an arithmetic number, because the mean of its divisors is an integer number (1966592530).

Almost surely, 2^7865872363 is an apocalyptic number.

7865872363 is a deficient number, since it is larger than the sum of its proper divisors (497757).

7865872363 is a wasteful number, since it uses less digits than its factorization.

7865872363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497756.

The product of its digits is 10160640, while the sum is 55.

The square root of 7865872363 is about 88689.7534273267. The cubic root of 7865872363 is about 1988.7596424452.

The spelling of 7865872363 in words is "seven billion, eight hundred sixty-five million, eight hundred seventy-two thousand, three hundred sixty-three".