80336785 has 8 divisors (see below), whose sum is σ = 97257960. Its totient is φ = 63700224.

The previous prime is 80336761. The next prime is 80336813. The reversal of 80336785 is 58763308.

It can be written as a sum of positive squares in 4 ways, for example, as 10246401 + 70090384 = 3201^2 + 8372^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80336785 - 2¹⁹ = 79812497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70530 + ... + 71659.

It is an arithmetic number, because the mean of its divisors is an integer number (12157245).

Almost surely, 2^80336785 is an apocalyptic number.

It is an amenable number.

80336785 is a deficient number, since it is larger than the sum of its proper divisors (16921175).

80336785 is a wasteful number, since it uses less digits than its factorization.

80336785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142307.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 80336785 is about 8963.0789910611. The cubic root of 80336785 is about 431.4907425686.

The spelling of 80336785 in words is "eighty million, three hundred thirty-six thousand, seven hundred eighty-five".