863608876642 has 16 divisors (see below), whose sum is σ = 1315064963520. Its totient is φ = 425256997968.

The previous prime is 863608876597. The next prime is 863608876643. The reversal of 863608876642 is 246678806368.

It is not an unprimeable number, because it can be changed into a prime (863608876643) 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, 218142 + ... + 1332217.

It is an arithmetic number, because the mean of its divisors is an integer number (82191560220).

Almost surely, 2^863608876642 is an apocalyptic number.

863608876642 is a deficient number, since it is larger than the sum of its proper divisors (451456086878).

863608876642 is a wasteful number, since it uses less digits than its factorization.

863608876642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554585.

The product of its (nonzero) digits is 111476736, while the sum is 64.

The spelling of 863608876642 in words is "eight hundred sixty-three billion, six hundred eight million, eight hundred seventy-six thousand, six hundred forty-two".