9671888764 has 6 divisors (see below), whose sum is σ = 16925805344. Its totient is φ = 4835944380.

The previous prime is 9671888747. The next prime is 9671888789. The reversal of 9671888764 is 4678881769.

It is a junction number, because it is equal to n+sod(n) for n = 9671888696 and 9671888705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1208986092 + ... + 1208986099.

Almost surely, 2^9671888764 is an apocalyptic number.

It is an amenable number.

9671888764 is a deficient number, since it is larger than the sum of its proper divisors (7253916580).

9671888764 is a wasteful number, since it uses less digits than its factorization.

9671888764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417972195 (or 2417972193 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 64.

The square root of 9671888764 is about 98345.7612914761. The cubic root of 9671888764 is about 2130.6090350659.

The spelling of 9671888764 in words is "nine billion, six hundred seventy-one million, eight hundred eighty-eight thousand, seven hundred sixty-four".