83376649 has 4 divisors (see below), whose sum is σ = 84551040. Its totient is φ = 82202260.

The previous prime is 83376581. The next prime is 83376659. The reversal of 83376649 is 94667338.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83376649 - 2¹¹ = 83374601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83376599 and 83376608.

It is not an unprimeable number, because it can be changed into a prime (83376659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587089 + ... + 587230.

It is an arithmetic number, because the mean of its divisors is an integer number (21137760).

Almost surely, 2^83376649 is an apocalyptic number.

It is an amenable number.

83376649 is a deficient number, since it is larger than the sum of its proper divisors (1174391).

83376649 is a wasteful number, since it uses less digits than its factorization.

83376649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174390.

The product of its digits is 653184, while the sum is 46.

The square root of 83376649 is about 9131.0814803067. The cubic root of 83376649 is about 436.8658986999.

The spelling of 83376649 in words is "eighty-three million, three hundred seventy-six thousand, six hundred forty-nine".