80001617 has 4 divisors (see below), whose sum is σ = 80051556. Its totient is φ = 79951680.

The previous prime is 80001583. The next prime is 80001631. The reversal of 80001617 is 71610008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29931841 + 50069776 = 5471^2 + 7076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80001617 is a prime.

It is a super-2 number, since 2×80001617² = 12800517445229378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80001592 and 80001601.

It is not an unprimeable number, because it can be changed into a prime (80001697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22484 + ... + 25797.

It is an arithmetic number, because the mean of its divisors is an integer number (20012889).

Almost surely, 2^80001617 is an apocalyptic number.

It is an amenable number.

80001617 is a deficient number, since it is larger than the sum of its proper divisors (49939).

80001617 is a wasteful number, since it uses less digits than its factorization.

80001617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49938.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 80001617 is about 8944.3623025904. The cubic root of 80001617 is about 430.8898410876.

The spelling of 80001617 in words is "eighty million, one thousand, six hundred seventeen".