83776944 has 20 divisors (see below), whose sum is σ = 216423896. Its totient is φ = 27925632.

The previous prime is 83776907. The next prime is 83776949. The reversal of 83776944 is 44967738.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1745353 = 83776944 / (8 + 3 + 7 + 7 + 6 + 9 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 83776893 and 83776902.

It is not an unprimeable number, because it can be changed into a prime (83776949) 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, 872629 + ... + 872724.

Almost surely, 2^83776944 is an apocalyptic number.

It is an amenable number.

83776944 is an abundant number, since it is smaller than the sum of its proper divisors (132646952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83776944 is a wasteful number, since it uses less digits than its factorization.

83776944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745364 (or 1745358 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 83776944 is about 9152.9745984571. The cubic root of 83776944 is about 437.5639203476.

The spelling of 83776944 in words is "eighty-three million, seven hundred seventy-six thousand, nine hundred forty-four".