80964149764 has 9 divisors (see below), whose sum is σ = 141688257991. Its totient is φ = 40481790340.

The previous prime is 80964149743. The next prime is 80964149767. The reversal of 80964149764 is 46794146908.

The square root of 80964149764 is 284542.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80964149699 and 80964149708.

It is not an unprimeable number, because it can be changed into a prime (80964149767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 497949 + ... + 640219.

Almost surely, 2^80964149764 is an apocalyptic number.

80964149764 is the 284542-nd square number.

It is an amenable number.

80964149764 is a deficient number, since it is larger than the sum of its proper divisors (60724108227).

80964149764 is an frugal number, since it uses more digits than its factorization.

80964149764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284546 (or 142273 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 80964149764 in words is "eighty billion, nine hundred sixty-four million, one hundred forty-nine thousand, seven hundred sixty-four".