80423617 has 16 divisors (see below), whose sum is σ = 90139392. Its totient is φ = 71357440.

The previous prime is 80423611. The next prime is 80423633. The reversal of 80423617 is 71632408.

It is a cyclic number.

It is not a de Polignac number, because 80423617 - 2¹¹ = 80421569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80423611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26313 + ... + 29209.

It is an arithmetic number, because the mean of its divisors is an integer number (5633712).

Almost surely, 2^80423617 is an apocalyptic number.

It is an amenable number.

80423617 is a deficient number, since it is larger than the sum of its proper divisors (9715775).

80423617 is a wasteful number, since it uses less digits than its factorization.

80423617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 80423617 is about 8967.9215540726. The cubic root of 80423617 is about 431.6461454908.

The spelling of 80423617 in words is "eighty million, four hundred twenty-three thousand, six hundred seventeen".