80650155 has 32 divisors (see below), whose sum is σ = 139011840. Its totient is φ = 39795840.

The previous prime is 80650151. The next prime is 80650169. The reversal of 80650155 is 55105608.

It is a happy number.

It is not a de Polignac number, because 80650155 - 2² = 80650151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80650151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8965 + ... + 15545.

It is an arithmetic number, because the mean of its divisors is an integer number (4344120).

Almost surely, 2^80650155 is an apocalyptic number.

80650155 is a deficient number, since it is larger than the sum of its proper divisors (58361685).

80650155 is a wasteful number, since it uses less digits than its factorization.

80650155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6651.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 80650155 is about 8980.5431350225. The cubic root of 80650155 is about 432.0510538513.

The spelling of 80650155 in words is "eighty million, six hundred fifty thousand, one hundred fifty-five".