83967951 has 8 divisors (see below), whose sum is σ = 113628544. Its totient is φ = 55143000.

The previous prime is 83967943. The next prime is 83967967. The reversal of 83967951 is 15976938.

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

It is not a de Polignac number, because 83967951 - 2³ = 83967943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83967951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83967551) 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, 208675 + ... + 209076.

It is an arithmetic number, because the mean of its divisors is an integer number (14203568).

Almost surely, 2^83967951 is an apocalyptic number.

83967951 is a deficient number, since it is larger than the sum of its proper divisors (29660593).

83967951 is a wasteful number, since it uses less digits than its factorization.

83967951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417821.

The product of its digits is 408240, while the sum is 48.

The square root of 83967951 is about 9163.4028068180. The cubic root of 83967951 is about 437.8962088049.

The spelling of 83967951 in words is "eighty-three million, nine hundred sixty-seven thousand, nine hundred fifty-one".