83975969 has 8 divisors (see below), whose sum is σ = 104697408. Its totient is φ = 65435760.

The previous prime is 83975963. The next prime is 83975989. The reversal of 83975969 is 96957938.

83975969 = 2758² + 2759² + ... + 2768².

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 83975969 - 2¹⁶ = 83910433 is a prime.

It is a super-2 number, since 2×83975969² = 14103926738977922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83975963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545222 + ... + 545375.

It is an arithmetic number, because the mean of its divisors is an integer number (13087176).

Almost surely, 2^83975969 is an apocalyptic number.

It is an amenable number.

83975969 is a deficient number, since it is larger than the sum of its proper divisors (20721439).

83975969 is a wasteful number, since it uses less digits than its factorization.

83975969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090615.

The product of its digits is 3674160, while the sum is 56.

The square root of 83975969 is about 9163.8402976045. The cubic root of 83975969 is about 437.9101464244.

The spelling of 83975969 in words is "eighty-three million, nine hundred seventy-five thousand, nine hundred sixty-nine".