83653197 has 8 divisors (see below), whose sum is σ = 115383840. Its totient is φ = 53845680.

The previous prime is 83653187. The next prime is 83653217. The reversal of 83653197 is 79135638.

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

It is not a de Polignac number, because 83653197 - 2⁷ = 83653069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83653117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480679 + ... + 480852.

It is an arithmetic number, because the mean of its divisors is an integer number (14422980).

Almost surely, 2^83653197 is an apocalyptic number.

83653197 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

83653197 is a deficient number, since it is larger than the sum of its proper divisors (31730643).

83653197 is a wasteful number, since it uses less digits than its factorization.

83653197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961563.

The product of its digits is 136080, while the sum is 42.

The square root of 83653197 is about 9146.2121667934. The cubic root of 83653197 is about 437.3483721627.

The spelling of 83653197 in words is "eighty-three million, six hundred fifty-three thousand, one hundred ninety-seven".