82277774410 has 16 divisors (see below), whose sum is σ = 159492301416. Its totient is φ = 30379485888.

The previous prime is 82277774389. The next prime is 82277774413. The reversal of 82277774410 is 1447777228.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 61101412969 + 21176361441 = 247187^2 + 145521^2 .

It is not an unprimeable number, because it can be changed into a prime (82277774413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316452849 + ... + 316453108.

Almost surely, 2^82277774410 is an apocalyptic number.

82277774410 is a deficient number, since it is larger than the sum of its proper divisors (77214527006).

82277774410 is a wasteful number, since it uses less digits than its factorization.

82277774410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632905977.

The product of its (nonzero) digits is 1229312, while the sum is 49.

The spelling of 82277774410 in words is "eighty-two billion, two hundred seventy-seven million, seven hundred seventy-four thousand, four hundred ten".