80621143417 has 8 divisors (see below), whose sum is σ = 85366305000. Its totient is φ = 75876286464.

The previous prime is 80621143411. The next prime is 80621143439. The reversal of 80621143417 is 71434112608.

It can be written as a sum of positive squares in 4 ways, for example, as 22765981456 + 57855161961 = 150884^2 + 240531^2 .

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 80621143417 - 2³¹ = 78473659769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80621143411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687709 + ... + 796357.

It is an arithmetic number, because the mean of its divisors is an integer number (10670788125).

Almost surely, 2^80621143417 is an apocalyptic number.

It is an amenable number.

80621143417 is a deficient number, since it is larger than the sum of its proper divisors (4745161583).

80621143417 is a wasteful number, since it uses less digits than its factorization.

80621143417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152315.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 80621143417 in words is "eighty billion, six hundred twenty-one million, one hundred forty-three thousand, four hundred seventeen".