82047077 has 16 divisors (see below), whose sum is σ = 95424000. Its totient is φ = 69094512.

The previous prime is 82047071. The next prime is 82047079. The reversal of 82047077 is 77074028.

It is not a de Polignac number, because 82047077 - 2⁸ = 82046821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82047071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164174 + ... + 164672.

It is an arithmetic number, because the mean of its divisors is an integer number (5964000).

Almost surely, 2^82047077 is an apocalyptic number.

It is an amenable number.

82047077 is a deficient number, since it is larger than the sum of its proper divisors (13376923).

82047077 is a wasteful number, since it uses less digits than its factorization.

82047077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872.

The product of its (nonzero) digits is 21952, while the sum is 35.

The square root of 82047077 is about 9057.9841576368. The cubic root of 82047077 is about 434.5312729783.

The spelling of 82047077 in words is "eighty-two million, forty-seven thousand, seventy-seven".