83361967 has 4 divisors (see below), whose sum is σ = 89774440. Its totient is φ = 76949496.

The previous prime is 83361947. The next prime is 83361977. The reversal of 83361967 is 76916338.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 83361967 - 2¹⁹ = 82837679 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 (83361937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3206217 + ... + 3206242.

It is an arithmetic number, because the mean of its divisors is an integer number (22443610).

Almost surely, 2^83361967 is an apocalyptic number.

83361967 is a deficient number, since it is larger than the sum of its proper divisors (6412473).

83361967 is a wasteful number, since it uses less digits than its factorization.

83361967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6412472.

The product of its digits is 163296, while the sum is 43.

The square root of 83361967 is about 9130.2774875685. The cubic root of 83361967 is about 436.8402542630.

The spelling of 83361967 in words is "eighty-three million, three hundred sixty-one thousand, nine hundred sixty-seven".