80689516 has 6 divisors (see below), whose sum is σ = 141206660. Its totient is φ = 40344756.

The previous prime is 80689501. The next prime is 80689537. The reversal of 80689516 is 61598608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10086186 + ... + 10086193.

Almost surely, 2^80689516 is an apocalyptic number.

It is an amenable number.

80689516 is a deficient number, since it is larger than the sum of its proper divisors (60517144).

80689516 is a wasteful number, since it uses less digits than its factorization.

80689516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20172383 (or 20172381 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 80689516 is about 8982.7343275865. The cubic root of 80689516 is about 432.1213293753.

The spelling of 80689516 in words is "eighty million, six hundred eighty-nine thousand, five hundred sixteen".