80964769536 has 576 divisors, whose sum is σ = 281795978240. Its totient is φ = 22735282176.

The previous prime is 80964769513. The next prime is 80964769549. The reversal of 80964769536 is 63596746908.

80964769536 is a `hidden beast` number, since 8 + 0 + 96 + 4 + 7 + 6 + 9 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 286094451 + ... + 286094733.

Almost surely, 2^80964769536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80964769536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140897989120).

80964769536 is an abundant number, since it is smaller than the sum of its proper divisors (200831208704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80964769536 is an frugal number, since it uses more digits than its factorization.

80964769536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 80964769536 in words is "eighty billion, nine hundred sixty-four million, seven hundred sixty-nine thousand, five hundred thirty-six".