80217137 has 32 divisors (see below), whose sum is σ = 108724224. Its totient is φ = 57153600.

The previous prime is 80217127. The next prime is 80217173. The reversal of 80217137 is 73171208.

It is not a de Polignac number, because 80217137 - 2¹⁶ = 80151601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80217127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126812 + ... + 127442.

It is an arithmetic number, because the mean of its divisors is an integer number (3397632).

Almost surely, 2^80217137 is an apocalyptic number.

It is an amenable number.

80217137 is a deficient number, since it is larger than the sum of its proper divisors (28507087).

80217137 is a wasteful number, since it uses less digits than its factorization.

80217137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 80217137 is about 8956.4020119689. The cubic root of 80217137 is about 431.2764254059.

It can be divided in two parts, 802171 and 37, that added together give a palindrome (802208).

The spelling of 80217137 in words is "eighty million, two hundred seventeen thousand, one hundred thirty-seven".