83511385 has 8 divisors (see below), whose sum is σ = 100305216. Its totient is φ = 66748080.

The previous prime is 83511377. The next prime is 83511419. The reversal of 83511385 is 58311538.

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

It is not a de Polignac number, because 83511385 - 2³ = 83511377 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 83511385.

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 7 ways as a sum of consecutive naturals, for example, 1101 + ... + 12970.

It is an arithmetic number, because the mean of its divisors is an integer number (12538152).

Almost surely, 2^83511385 is an apocalyptic number.

It is an amenable number.

83511385 is a deficient number, since it is larger than the sum of its proper divisors (16793831).

83511385 is a wasteful number, since it uses less digits than its factorization.

83511385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15263.

The product of its digits is 14400, while the sum is 34.

The square root of 83511385 is about 9138.4563794987. The cubic root of 83511385 is about 437.1010959894.

The spelling of 83511385 in words is "eighty-three million, five hundred eleven thousand, three hundred eighty-five".