80716502 has 4 divisors (see below), whose sum is σ = 121074756. Its totient is φ = 40358250.

The previous prime is 80716487. The next prime is 80716507. The reversal of 80716502 is 20561708.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80716507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20179124 + ... + 20179127.

It is an arithmetic number, because the mean of its divisors is an integer number (30268689).

Almost surely, 2^80716502 is an apocalyptic number.

80716502 is a deficient number, since it is larger than the sum of its proper divisors (40358254).

80716502 is a wasteful number, since it uses less digits than its factorization.

80716502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40358253.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 80716502 is about 8984.2363058860. The cubic root of 80716502 is about 432.1694972457.

It can be divided in two parts, 80716 and 502, that added together give a palindrome (81218).

The spelling of 80716502 in words is "eighty million, seven hundred sixteen thousand, five hundred two".