82700061 has 4 divisors (see below), whose sum is σ = 110266752. Its totient is φ = 55133372.

The previous prime is 82700029. The next prime is 82700063. The reversal of 82700061 is 16000728.

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 82700061 - 2⁵ = 82700029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82700063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13783341 + ... + 13783346.

It is an arithmetic number, because the mean of its divisors is an integer number (27566688).

Almost surely, 2^82700061 is an apocalyptic number.

It is an amenable number.

82700061 is a deficient number, since it is larger than the sum of its proper divisors (27566691).

82700061 is a wasteful number, since it uses less digits than its factorization.

82700061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27566690.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 82700061 is about 9093.9573893877. The cubic root of 82700061 is about 435.6809891143.

Adding to 82700061 its reverse (16000728), we get a palindrome (98700789).

The spelling of 82700061 in words is "eighty-two million, seven hundred thousand, sixty-one".