83820803 has 8 divisors (see below), whose sum is σ = 93567936. Its totient is φ = 74428200.

The previous prime is 83820773. The next prime is 83820811. The reversal of 83820803 is 30802838.

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

It is not a de Polignac number, because 83820803 - 2¹⁴ = 83804419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83820803.

It is not an unprimeable number, because it can be changed into a prime (83820833) 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, 88133 + ... + 89078.

It is an arithmetic number, because the mean of its divisors is an integer number (11695992).

Almost surely, 2^83820803 is an apocalyptic number.

83820803 is a deficient number, since it is larger than the sum of its proper divisors (9747133).

83820803 is a wasteful number, since it uses less digits than its factorization.

83820803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177265.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 83820803 is about 9155.3701727456. The cubic root of 83820803 is about 437.6402650118.

The spelling of 83820803 in words is "eighty-three million, eight hundred twenty thousand, eight hundred three".