83000691961 has 8 divisors (see below), whose sum is σ = 92754654048. Its totient is φ = 73614804000.

The previous prime is 83000691947. The next prime is 83000692031. The reversal of 83000691961 is 16919600038.

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

It is a cyclic number.

It is not a de Polignac number, because 83000691961 - 2¹¹ = 83000689913 is a prime.

It is a super-2 number, since 2×83000691961² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83000691161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92018055 + ... + 92018956.

It is an arithmetic number, because the mean of its divisors is an integer number (11594331756).

Almost surely, 2^83000691961 is an apocalyptic number.

It is an amenable number.

83000691961 is a deficient number, since it is larger than the sum of its proper divisors (9753962087).

83000691961 is a wasteful number, since it uses less digits than its factorization.

83000691961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184037063.

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 83000691961 in words is "eighty-three billion, six hundred ninety-one thousand, nine hundred sixty-one".