83357961 has 16 divisors (see below), whose sum is σ = 114249408. Its totient is φ = 54028800.

The previous prime is 83357899. The next prime is 83357969. The reversal of 83357961 is 16975338.

It is not a de Polignac number, because 83357961 - 2¹⁰ = 83356937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83357969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40446 + ... + 42456.

It is an arithmetic number, because the mean of its divisors is an integer number (7140588).

Almost surely, 2^83357961 is an apocalyptic number.

It is an amenable number.

83357961 is a deficient number, since it is larger than the sum of its proper divisors (30891447).

83357961 is a wasteful number, since it uses less digits than its factorization.

83357961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392.

The product of its digits is 136080, while the sum is 42.

The square root of 83357961 is about 9130.0581049630. The cubic root of 83357961 is about 436.8332566271.

The spelling of 83357961 in words is "eighty-three million, three hundred fifty-seven thousand, nine hundred sixty-one".