82769976 has 48 divisors (see below), whose sum is σ = 226365360. Its totient is φ = 27319680.

The previous prime is 82769971. The next prime is 82769983. The reversal of 82769976 is 67996728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82769971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1836 + ... + 12996.

It is an arithmetic number, because the mean of its divisors is an integer number (4715945).

Almost surely, 2^82769976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82769976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113182680).

82769976 is an abundant number, since it is smaller than the sum of its proper divisors (143595384).

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

82769976 is a wasteful number, since it uses less digits than its factorization.

82769976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11276 (or 11269 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 82769976 is about 9097.8006133351. The cubic root of 82769976 is about 435.8037300819.

The spelling of 82769976 in words is "eighty-two million, seven hundred sixty-nine thousand, nine hundred seventy-six".