83975951 has 4 divisors (see below), whose sum is σ = 84056904. Its totient is φ = 83895000.

The previous prime is 83975933. The next prime is 83975959. The reversal of 83975951 is 15957938.

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

It is a cyclic number.

It is not a de Polignac number, because 83975951 - 2¹⁴ = 83959567 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 83975896 and 83975905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83975959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38900 + ... + 41001.

It is an arithmetic number, because the mean of its divisors is an integer number (21014226).

Almost surely, 2^83975951 is an apocalyptic number.

83975951 is a deficient number, since it is larger than the sum of its proper divisors (80953).

83975951 is a wasteful number, since it uses less digits than its factorization.

83975951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80952.

The product of its digits is 340200, while the sum is 47.

The square root of 83975951 is about 9163.8393154834. The cubic root of 83975951 is about 437.9101151362.

The spelling of 83975951 in words is "eighty-three million, nine hundred seventy-five thousand, nine hundred fifty-one".