82773400 has 24 divisors (see below), whose sum is σ = 192448620. Its totient is φ = 33109280.

The previous prime is 82773373. The next prime is 82773419. The reversal of 82773400 is 437728.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 206734 + ... + 207133.

Almost surely, 2^82773400 is an apocalyptic number.

It is an amenable number.

82773400 is an abundant number, since it is smaller than the sum of its proper divisors (109675220).

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

82773400 is a wasteful number, since it uses less digits than its factorization.

82773400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413883 (or 413874 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 82773400 is about 9097.9887887379. The cubic root of 82773400 is about 435.8097393921.

The spelling of 82773400 in words is "eighty-two million, seven hundred seventy-three thousand, four hundred".