80665037 has 8 divisors (see below), whose sum is σ = 83635200. Its totient is φ = 77707504.

The previous prime is 80665027. The next prime is 80665049. The reversal of 80665037 is 73056608.

It is a happy number.

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 80665037 - 2⁶ = 80664973 is a prime.

It is a super-2 number, since 2×80665037² = 13013696388422738, 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 = 80664988 and 80665006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80665027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10988 + ... + 16794.

It is an arithmetic number, because the mean of its divisors is an integer number (10454400).

Almost surely, 2^80665037 is an apocalyptic number.

It is an amenable number.

80665037 is a deficient number, since it is larger than the sum of its proper divisors (2970163).

80665037 is a wasteful number, since it uses less digits than its factorization.

80665037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 80665037 is about 8981.3716658426. The cubic root of 80665037 is about 432.0776270110.

The spelling of 80665037 in words is "eighty million, six hundred sixty-five thousand, thirty-seven".