83082180921 has 8 divisors (see below), whose sum is σ = 117292490784. Its totient is φ = 52129995840.

The previous prime is 83082180869. The next prime is 83082180971. The reversal of 83082180921 is 12908128038.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83082180921 - 2¹⁷ = 83082049849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83082180971) 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, 814531135 + ... + 814531236.

It is an arithmetic number, because the mean of its divisors is an integer number (14661561348).

Almost surely, 2^83082180921 is an apocalyptic number.

It is an amenable number.

83082180921 is a deficient number, since it is larger than the sum of its proper divisors (34210309863).

83082180921 is a wasteful number, since it uses less digits than its factorization.

83082180921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629062391.

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 83082180921 in words is "eighty-three billion, eighty-two million, one hundred eighty thousand, nine hundred twenty-one".