80705183583077 has 8 divisors (see below), whose sum is σ = 87762075629976. Its totient is φ = 73904905792512.

The previous prime is 80705183583001. The next prime is 80705183583109. The reversal of 80705183583077 is 77038538150708.

It can be written as a sum of positive squares in 4 ways, for example, as 53532723359236 + 27172460223841 = 7316606^2 + 5212721^2 .

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 80705183583077 - 2²² = 80705179388773 is a prime.

It is a super-4 number, since 4×80705183583077⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80705183583977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64153563428 + ... + 64153564685.

It is an arithmetic number, because the mean of its divisors is an integer number (10970259453747).

Almost surely, 2^{80705183583077} is an apocalyptic number.

It is an amenable number.

80705183583077 is a deficient number, since it is larger than the sum of its proper divisors (7056892046899).

80705183583077 is a wasteful number, since it uses less digits than its factorization.

80705183583077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128307128167.

The product of its (nonzero) digits is 39513600, while the sum is 62.

The spelling of 80705183583077 in words is "eighty trillion, seven hundred five billion, one hundred eighty-three million, five hundred eighty-three thousand, seventy-seven".