8082780951851 has 4 divisors (see below), whose sum is σ = 8083082563704. Its totient is φ = 8082479340000.

The previous prime is 8082780951829. The next prime is 8082780951857. The reversal of 8082780951851 is 1581590872808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8082780951851 - 2⁴² = 3684734440747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8082780951857) 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, 150765725 + ... + 150819326.

It is an arithmetic number, because the mean of its divisors is an integer number (2020770640926).

Almost surely, 2^{8082780951851} is an apocalyptic number.

8082780951851 is a deficient number, since it is larger than the sum of its proper divisors (301611853).

8082780951851 is a wasteful number, since it uses less digits than its factorization.

8082780951851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301611852.

The product of its (nonzero) digits is 12902400, while the sum is 62.

The spelling of 8082780951851 in words is "eight trillion, eighty-two billion, seven hundred eighty million, nine hundred fifty-one thousand, eight hundred fifty-one".