180211490077 has 32 divisors (see below), whose sum is σ = 194248010880. Its totient is φ = 166858030080.

The previous prime is 180211490059. The next prime is 180211490087. The reversal of 180211490077 is 770094112081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-180211490077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180211490047) 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, 26643298 + ... + 26650060.

It is an arithmetic number, because the mean of its divisors is an integer number (6070250340).

Almost surely, 2^180211490077 is an apocalyptic number.

It is an amenable number.

180211490077 is a deficient number, since it is larger than the sum of its proper divisors (14036520803).

180211490077 is a wasteful number, since it uses less digits than its factorization.

180211490077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7213.

The product of its (nonzero) digits is 28224, while the sum is 40.

The spelling of 180211490077 in words is "one hundred eighty billion, two hundred eleven million, four hundred ninety thousand, seventy-seven".