83828661 has 24 divisors (see below), whose sum is σ = 131382720. Its totient is φ = 47400192.

The previous prime is 83828651. The next prime is 83828671. The reversal of 83828661 is 16682838.

It is an interprime number because it is at equal distance from previous prime (83828651) and next prime (83828671).

It is not a de Polignac number, because 83828661 - 2⁶ = 83828597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83828611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11320 + ... + 17198.

It is an arithmetic number, because the mean of its divisors is an integer number (5474280).

Almost surely, 2^83828661 is an apocalyptic number.

It is an amenable number.

83828661 is a deficient number, since it is larger than the sum of its proper divisors (47554059).

83828661 is a wasteful number, since it uses less digits than its factorization.

83828661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5993 (or 5986 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 83828661 is about 9155.7993097271. The cubic root of 83828661 is about 437.6539404942.

The spelling of 83828661 in words is "eighty-three million, eight hundred twenty-eight thousand, six hundred sixty-one".