83776530 has 32 divisors (see below), whose sum is σ = 205970688. Its totient is φ = 21795200.

The previous prime is 83776523. The next prime is 83776541. The reversal of 83776530 is 3567738.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32826 + ... + 35285.

It is an arithmetic number, because the mean of its divisors is an integer number (6436584).

Almost surely, 2^83776530 is an apocalyptic number.

83776530 is an abundant number, since it is smaller than the sum of its proper divisors (122194158).

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

83776530 is a wasteful number, since it uses less digits than its factorization.

83776530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68162.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 83776530 is about 9152.9519828305. The cubic root of 83776530 is about 437.5631995775.

The spelling of 83776530 in words is "eighty-three million, seven hundred seventy-six thousand, five hundred thirty".