84060928139 has 2 divisors, whose sum is σ = 84060928140. Its totient is φ = 84060928138.

The previous prime is 84060928111. The next prime is 84060928169. The reversal of 84060928139 is 93182906048.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84060928139 - 2¹⁶ = 84060862603 is a prime.

It is not a weakly prime, because it can be changed into another prime (84060928169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42030464069 + 42030464070.

It is an arithmetic number, because the mean of its divisors is an integer number (42030464070).

Almost surely, 2^84060928139 is an apocalyptic number.

84060928139 is a deficient number, since it is larger than the sum of its proper divisors (1).

84060928139 is an equidigital number, since it uses as much as digits as its factorization.

84060928139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 84060928139 in words is "eighty-four billion, sixty million, nine hundred twenty-eight thousand, one hundred thirty-nine".