80336690 has 32 divisors (see below), whose sum is σ = 165594240. Its totient is φ = 27489024.

The previous prime is 80336689. The next prime is 80336749. The reversal of 80336690 is 9663308.

It is a super-2 number, since 2×80336690² = 12907967520312200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 80336690.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50954 + ... + 52506.

It is an arithmetic number, because the mean of its divisors is an integer number (5174820).

Almost surely, 2^80336690 is an apocalyptic number.

80336690 is an abundant number, since it is smaller than the sum of its proper divisors (85257550).

80336690 is a wasteful number, since it uses less digits than its factorization.

80336690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 80336690 is about 8963.0736915413. The cubic root of 80336690 is about 431.4905724861.

Adding to 80336690 its reverse (9663308), we get a palindrome (89999998).

The spelling of 80336690 in words is "eighty million, three hundred thirty-six thousand, six hundred ninety".