80116965 has 32 divisors (see below), whose sum is σ = 142876800. Its totient is φ = 42595200.

The previous prime is 80116963. The next prime is 80116969. The reversal of 80116965 is 56961108.

It is not a de Polignac number, because 80116965 - 2¹ = 80116963 is a prime.

It is a super-2 number, since 2×80116965² = 12837456161622450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80116963) 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, 54490 + ... + 55940.

It is an arithmetic number, because the mean of its divisors is an integer number (4464900).

Almost surely, 2^80116965 is an apocalyptic number.

It is an amenable number.

80116965 is a deficient number, since it is larger than the sum of its proper divisors (62759835).

80116965 is a wasteful number, since it uses less digits than its factorization.

80116965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874 (or 1868 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 80116965 is about 8950.8080640800. The cubic root of 80116965 is about 431.0968302923.

It can be divided in two parts, 801 and 16965, that added together give a triangular number (17766 = T₁₈₈).

The spelling of 80116965 in words is "eighty million, one hundred sixteen thousand, nine hundred sixty-five".