82704224866145 has 8 divisors (see below), whose sum is σ = 100927189667520. Its totient is φ = 65041966674160.

The previous prime is 82704224866141. The next prime is 82704224866177. The reversal of 82704224866145 is 54166842240728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82704224866145 - 2² = 82704224866141 is a prime.

It is a super-2 number, since 2×82704224866145² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is not an unprimeable number, because it can be changed into a prime (82704224866141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140176652021 + ... + 140176652610.

It is an arithmetic number, because the mean of its divisors is an integer number (12615898708440).

Almost surely, 2^{82704224866145} is an apocalyptic number.

It is an amenable number.

82704224866145 is a deficient number, since it is larger than the sum of its proper divisors (18222964801375).

82704224866145 is a wasteful number, since it uses less digits than its factorization.

82704224866145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280353304695.

The product of its (nonzero) digits is 41287680, while the sum is 59.

The spelling of 82704224866145 in words is "eighty-two trillion, seven hundred four billion, two hundred twenty-four million, eight hundred sixty-six thousand, one hundred forty-five".