82672253061457 has 4 divisors (see below), whose sum is σ = 82672928814960. Its totient is φ = 82671577307956.

The previous prime is 82672253061451. The next prime is 82672253061473. The reversal of 82672253061457 is 75416035227628.

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 a de Polignac number, because none of the positive numbers 2^k-82672253061457 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82672253061451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337693207 + ... + 337937932.

It is an arithmetic number, because the mean of its divisors is an integer number (20668232203740).

Almost surely, 2^{82672253061457} is an apocalyptic number.

It is an amenable number.

82672253061457 is a deficient number, since it is larger than the sum of its proper divisors (675753503).

82672253061457 is a wasteful number, since it uses less digits than its factorization.

82672253061457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675753502.

The product of its (nonzero) digits is 33868800, while the sum is 58.

The spelling of 82672253061457 in words is "eighty-two trillion, six hundred seventy-two billion, two hundred fifty-three million, sixty-one thousand, four hundred fifty-seven".