863748652 has 24 divisors (see below), whose sum is σ = 1636845392. Its totient is φ = 396446400.

The previous prime is 863748637. The next prime is 863748659. The reversal of 863748652 is 256847368.

It is a junction number, because it is equal to n+sod(n) for n = 863748596 and 863748605.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36474 + ... + 55297.

Almost surely, 2^863748652 is an apocalyptic number.

It is an amenable number.

863748652 is a deficient number, since it is larger than the sum of its proper divisors (773096740).

863748652 is a wasteful number, since it uses less digits than its factorization.

863748652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91969 (or 91967 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The square root of 863748652 is about 29389.6010860985. The cubic root of 863748652 is about 952.3482634087.

The spelling of 863748652 in words is "eight hundred sixty-three million, seven hundred forty-eight thousand, six hundred fifty-two".