8790329644 has 12 divisors (see below), whose sum is σ = 15758274168. Its totient is φ = 4287965600.

The previous prime is 8790329623. The next prime is 8790329663. The reversal of 8790329644 is 4469230978.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8790329591 and 8790329600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26799622 + ... + 26799949.

It is an arithmetic number, because the mean of its divisors is an integer number (1313189514).

Almost surely, 2^8790329644 is an apocalyptic number.

It is an amenable number.

8790329644 is a deficient number, since it is larger than the sum of its proper divisors (6967944524).

8790329644 is a wasteful number, since it uses less digits than its factorization.

8790329644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53599616 (or 53599614 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The square root of 8790329644 is about 93756.7578577672. The cubic root of 8790329644 is about 2063.8037024997.

The spelling of 8790329644 in words is "eight billion, seven hundred ninety million, three hundred twenty-nine thousand, six hundred forty-four".