82773782 has 64 divisors (see below), whose sum is σ = 167215104. Its totient is φ = 29790720.

The previous prime is 82773781. The next prime is 82773797. The reversal of 82773782 is 28737728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82773781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95483 + ... + 96345.

It is an arithmetic number, because the mean of its divisors is an integer number (2612736).

Almost surely, 2^82773782 is an apocalyptic number.

82773782 is an abundant number, since it is smaller than the sum of its proper divisors (84441322).

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

82773782 is a wasteful number, since it uses less digits than its factorization.

82773782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933.

The product of its digits is 263424, while the sum is 44.

The square root of 82773782 is about 9098.0097823645. The cubic root of 82773782 is about 435.8104098131.

The spelling of 82773782 in words is "eighty-two million, seven hundred seventy-three thousand, seven hundred eighty-two".