83817485 has 8 divisors (see below), whose sum is σ = 101108736. Its totient is φ = 66702160.

The previous prime is 83817479. The next prime is 83817509. The reversal of 83817485 is 58471838.

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

It is not a de Polignac number, because 83817485 - 2¹⁰ = 83816461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42929 + ... + 44838.

It is an arithmetic number, because the mean of its divisors is an integer number (12638592).

Almost surely, 2^83817485 is an apocalyptic number.

It is an amenable number.

83817485 is a deficient number, since it is larger than the sum of its proper divisors (17291251).

83817485 is a wasteful number, since it uses less digits than its factorization.

83817485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87963.

The product of its digits is 215040, while the sum is 44.

The square root of 83817485 is about 9155.1889658270. The cubic root of 83817485 is about 437.6344903532.

The spelling of 83817485 in words is "eighty-three million, eight hundred seventeen thousand, four hundred eighty-five".