83387075 has 12 divisors (see below), whose sum is σ = 107896368. Its totient is φ = 63808800.

The previous prime is 83387069. The next prime is 83387113. The reversal of 83387075 is 57078338.

It is not a de Polignac number, because 83387075 - 2¹² = 83382979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 71936 + ... + 73085.

It is an arithmetic number, because the mean of its divisors is an integer number (8991364).

Almost surely, 2^83387075 is an apocalyptic number.

83387075 is a deficient number, since it is larger than the sum of its proper divisors (24509293).

83387075 is a wasteful number, since it uses less digits than its factorization.

83387075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145054 (or 145049 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 83387075 is about 9131.6523696426. The cubic root of 83387075 is about 436.8841075313.

The spelling of 83387075 in words is "eighty-three million, three hundred eighty-seven thousand, seventy-five".