83449377 has 12 divisors (see below), whose sum is σ = 131496144. Its totient is φ = 50575320.

The previous prime is 83449367. The next prime is 83449381. The reversal of 83449377 is 77394438.

It is a happy number.

It is not a de Polignac number, because 83449377 - 2⁴ = 83449361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83449367) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 421363 + ... + 421560.

It is an arithmetic number, because the mean of its divisors is an integer number (10958012).

Almost surely, 2^83449377 is an apocalyptic number.

It is an amenable number.

83449377 is a deficient number, since it is larger than the sum of its proper divisors (48046767).

83449377 is a wasteful number, since it uses less digits than its factorization.

83449377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842940 (or 842937 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 83449377 is about 9135.0630539696. The cubic root of 83449377 is about 436.9928852914.

The spelling of 83449377 in words is "eighty-three million, four hundred forty-nine thousand, three hundred seventy-seven".