80723688 has 32 divisors (see below), whose sum is σ = 203290560. Its totient is φ = 26710400.

The previous prime is 80723681. The next prime is 80723693. The reversal of 80723688 is 88632708.

It is not an unprimeable number, because it can be changed into a prime (80723681) 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 7 ways as a sum of consecutive naturals, for example, 8988 + ... + 15563.

It is an arithmetic number, because the mean of its divisors is an integer number (6352830).

Almost surely, 2^80723688 is an apocalyptic number.

It is an amenable number.

80723688 is an abundant number, since it is smaller than the sum of its proper divisors (122566872).

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

80723688 is a wasteful number, since it uses less digits than its factorization.

80723688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24697 (or 24693 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 80723688 is about 8984.6362196808. The cubic root of 80723688 is about 432.1823218758.

The spelling of 80723688 in words is "eighty million, seven hundred twenty-three thousand, six hundred eighty-eight".