80738872 has 8 divisors (see below), whose sum is σ = 151385400. Its totient is φ = 40369432.

The previous prime is 80738789. The next prime is 80738873. The reversal of 80738872 is 27883708.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80738873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5046172 + ... + 5046187.

It is an arithmetic number, because the mean of its divisors is an integer number (18923175).

Almost surely, 2^80738872 is an apocalyptic number.

It is an amenable number.

80738872 is a deficient number, since it is larger than the sum of its proper divisors (70646528).

80738872 is a wasteful number, since it uses less digits than its factorization.

80738872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10092365 (or 10092361 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 80738872 is about 8985.4811779893. The cubic root of 80738872 is about 432.2094177842.

The spelling of 80738872 in words is "eighty million, seven hundred thirty-eight thousand, eight hundred seventy-two".