8670861663963 has 16 divisors (see below), whose sum is σ = 11792654316576. Its totient is φ = 5665069329920.

The previous prime is 8670861663941. The next prime is 8670861664043. The reversal of 8670861663963 is 3693661680768.

It is a cyclic number.

It is not a de Polignac number, because 8670861663963 - 2¹⁴ = 8670861647579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8670861662963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30809820 + ... + 31089977.

It is an arithmetic number, because the mean of its divisors is an integer number (737040894786).

Almost surely, 2^{8670861663963} is an apocalyptic number.

8670861663963 is a deficient number, since it is larger than the sum of its proper divisors (3121792652613).

8670861663963 is a wasteful number, since it uses less digits than its factorization.

8670861663963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61900734.

The product of its (nonzero) digits is 282175488, while the sum is 69.

The spelling of 8670861663963 in words is "eight trillion, six hundred seventy billion, eight hundred sixty-one million, six hundred sixty-three thousand, nine hundred sixty-three".