83963071 has 4 divisors (see below), whose sum is σ = 88382200. Its totient is φ = 79543944.

The previous prime is 83963059. The next prime is 83963107. The reversal of 83963071 is 17036938.

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 83963071 - 2⁹ = 83962559 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 83963071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83963021) 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, 2209536 + ... + 2209573.

It is an arithmetic number, because the mean of its divisors is an integer number (22095550).

Almost surely, 2^83963071 is an apocalyptic number.

83963071 is a deficient number, since it is larger than the sum of its proper divisors (4419129).

83963071 is a wasteful number, since it uses less digits than its factorization.

83963071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419128.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 83963071 is about 9163.1365263211. The cubic root of 83963071 is about 437.8877255091.

The spelling of 83963071 in words is "eighty-three million, nine hundred sixty-three thousand, seventy-one".