80543764 has 24 divisors (see below), whose sum is σ = 161862848. Its totient is φ = 34352640.

The previous prime is 80543753. The next prime is 80543767. The reversal of 80543764 is 46734508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80543767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 909 + ... + 12724.

Almost surely, 2^80543764 is an apocalyptic number.

It is an amenable number.

80543764 is an abundant number, since it is smaller than the sum of its proper divisors (81319084).

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

80543764 is a wasteful number, since it uses less digits than its factorization.

80543764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13855 (or 13853 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 80543764 is about 8974.6177634482. The cubic root of 80543764 is about 431.8609877941.

The spelling of 80543764 in words is "eighty million, five hundred forty-three thousand, seven hundred sixty-four".