82077634 has 4 divisors (see below), whose sum is σ = 123116454. Its totient is φ = 41038816.

The previous prime is 82077631. The next prime is 82077637. The reversal of 82077634 is 43677028.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (82077631) and next prime (82077637).

It can be written as a sum of positive squares in only one way, i.e., 69139225 + 12938409 = 8315^2 + 3597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82077593 and 82077602.

It is not an unprimeable number, because it can be changed into a prime (82077631) by changing a digit.

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 as a sum of consecutive naturals, namely, 20519407 + ... + 20519410.

Almost surely, 2^82077634 is an apocalyptic number.

82077634 is a deficient number, since it is larger than the sum of its proper divisors (41038820).

82077634 is a wasteful number, since it uses less digits than its factorization.

82077634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41038819.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 82077634 is about 9059.6707445690. The cubic root of 82077634 is about 434.5852108090.

The spelling of 82077634 in words is "eighty-two million, seventy-seven thousand, six hundred thirty-four".