82910641 has 4 divisors (see below), whose sum is σ = 90447984. Its totient is φ = 75373300.

The previous prime is 82910591. The next prime is 82910669. The reversal of 82910641 is 14601928.

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 82910641 - 2¹⁷ = 82779569 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (82910141) 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, 3768655 + ... + 3768676.

It is an arithmetic number, because the mean of its divisors is an integer number (22611996).

Almost surely, 2^82910641 is an apocalyptic number.

It is an amenable number.

82910641 is a deficient number, since it is larger than the sum of its proper divisors (7537343).

82910641 is a wasteful number, since it uses less digits than its factorization.

82910641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7537342.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 82910641 is about 9105.5280461926. The cubic root of 82910641 is about 436.0504686549.

The spelling of 82910641 in words is "eighty-two million, nine hundred ten thousand, six hundred forty-one".