84079382687 has 2 divisors, whose sum is σ = 84079382688. Its totient is φ = 84079382686.

The previous prime is 84079382677. The next prime is 84079382741. The reversal of 84079382687 is 78628397048.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84079382687 - 2¹⁴ = 84079366303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84079382617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42039691343 + 42039691344.

It is an arithmetic number, because the mean of its divisors is an integer number (42039691344).

Almost surely, 2^84079382687 is an apocalyptic number.

84079382687 is a deficient number, since it is larger than the sum of its proper divisors (1).

84079382687 is an equidigital number, since it uses as much as digits as its factorization.

84079382687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32514048, while the sum is 62.

The spelling of 84079382687 in words is "eighty-four billion, seventy-nine million, three hundred eighty-two thousand, six hundred eighty-seven".