83776834 has 4 divisors (see below), whose sum is σ = 125665254. Its totient is φ = 41888416.

The previous prime is 83776753. The next prime is 83776837. The reversal of 83776834 is 43867738.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43867738 = 2 ⋅21933869.

It can be written as a sum of positive squares in only one way, i.e., 73051209 + 10725625 = 8547^2 + 3275^2 .

It is not an unprimeable number, because it can be changed into a prime (83776837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20944207 + ... + 20944210.

Almost surely, 2^83776834 is an apocalyptic number.

83776834 is a deficient number, since it is larger than the sum of its proper divisors (41888420).

83776834 is a wasteful number, since it uses less digits than its factorization.

83776834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41888419.

The product of its digits is 677376, while the sum is 46.

The square root of 83776834 is about 9152.9685894796. The cubic root of 83776834 is about 437.5637288389.

The spelling of 83776834 in words is "eighty-three million, seven hundred seventy-six thousand, eight hundred thirty-four".