84953374879 has 2 divisors, whose sum is σ = 84953374880. Its totient is φ = 84953374878.

The previous prime is 84953374843. The next prime is 84953374927. The reversal of 84953374879 is 97847335948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84953374879 - 2²¹ = 84951277727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84953371879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42476687439 + 42476687440.

It is an arithmetic number, because the mean of its divisors is an integer number (42476687440).

Almost surely, 2^84953374879 is an apocalyptic number.

84953374879 is a deficient number, since it is larger than the sum of its proper divisors (1).

84953374879 is an equidigital number, since it uses as much as digits as its factorization.

84953374879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 182891520, while the sum is 67.

The spelling of 84953374879 in words is "eighty-four billion, nine hundred fifty-three million, three hundred seventy-four thousand, eight hundred seventy-nine".