82061077 has 4 divisors (see below), whose sum is σ = 93784096. Its totient is φ = 70338060.

The previous prime is 82061069. The next prime is 82061099. The reversal of 82061077 is 77016028.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82061077 - 2³ = 82061069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82061017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5861499 + ... + 5861512.

It is an arithmetic number, because the mean of its divisors is an integer number (23446024).

Almost surely, 2^82061077 is an apocalyptic number.

It is an amenable number.

82061077 is a deficient number, since it is larger than the sum of its proper divisors (11723019).

82061077 is a wasteful number, since it uses less digits than its factorization.

82061077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11723018.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 82061077 is about 9058.7569235519. The cubic root of 82061077 is about 434.5559868054. Note that the first 3 decimals are identical.

The spelling of 82061077 in words is "eighty-two million, sixty-one thousand, seventy-seven".