83776673 has 4 divisors (see below), whose sum is σ = 84142740. Its totient is φ = 83410608.

The previous prime is 83776657. The next prime is 83776687. The reversal of 83776673 is 37667738.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37667738 = 2 ⋅18833869.

It can be written as a sum of positive squares in 2 ways, for example, as 45050944 + 38725729 = 6712^2 + 6223^2 .

It is a cyclic number.

It is not a de Polignac number, because 83776673 - 2⁴ = 83776657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83776633) 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, 182690 + ... + 183147.

It is an arithmetic number, because the mean of its divisors is an integer number (21035685).

Almost surely, 2^83776673 is an apocalyptic number.

It is an amenable number.

83776673 is a deficient number, since it is larger than the sum of its proper divisors (366067).

83776673 is a wasteful number, since it uses less digits than its factorization.

83776673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366066.

The product of its digits is 889056, while the sum is 47.

The square root of 83776673 is about 9152.9597945146. The cubic root of 83776673 is about 437.5634485394.

The spelling of 83776673 in words is "eighty-three million, seven hundred seventy-six thousand, six hundred seventy-three".