80246785215249 has 27 divisors (see below), whose sum is σ = 116086929690459. Its totient is φ = 53417252213280.

The previous prime is 80246785215221. The next prime is 80246785215269. The reversal of 80246785215249 is 94251258764208.

The square root of 80246785215249 is 8958057.

It is a perfect power (a square), and thus also a powerful number.

80246785215249 is a `hidden beast` number, since 8 + 0 + 2 + 4 + 6 + 7 + 85 + 21 + 524 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 70634057021649 + 9612728193600 = 8404407^2 + 3100440^2 .

It is not a de Polignac number, because 80246785215249 - 2¹¹ = 80246785213201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80246785215269) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 21741202494 + ... + 21741206184.

Almost surely, 2^{80246785215249} is an apocalyptic number.

80246785215249 is the 8958057-th square number.

80246785215249 is the 4479029-th centered octagonal number.

It is an amenable number.

80246785215249 is a deficient number, since it is larger than the sum of its proper divisors (35840144475210).

80246785215249 is an frugal number, since it uses more digits than its factorization.

80246785215249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9006 (or 4503 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 63.

The spelling of 80246785215249 in words is "eighty trillion, two hundred forty-six billion, seven hundred eighty-five million, two hundred fifteen thousand, two hundred forty-nine".