82077648 has 20 divisors (see below), whose sum is σ = 212034048. Its totient is φ = 27359200.

The previous prime is 82077647. The next prime is 82077679. The reversal of 82077648 is 84677028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82077643) 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 in 3 ways as a sum of consecutive naturals, for example, 854928 + ... + 855023.

Almost surely, 2^82077648 is an apocalyptic number.

It is an amenable number.

82077648 is an abundant number, since it is smaller than the sum of its proper divisors (129956400).

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

82077648 is a wasteful number, since it uses less digits than its factorization.

82077648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709962 (or 1709956 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 82077648 is about 9059.6715172240. The cubic root of 82077648 is about 434.5852355181.

The spelling of 82077648 in words is "eighty-two million, seventy-seven thousand, six hundred forty-eight".