85833178747 has 2 divisors, whose sum is σ = 85833178748. Its totient is φ = 85833178746.

The previous prime is 85833178709. The next prime is 85833178759. The reversal of 85833178747 is 74787133858.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85833178747 is a prime.

It is not a weakly prime, because it can be changed into another prime (85833178777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42916589373 + 42916589374.

It is an arithmetic number, because the mean of its divisors is an integer number (42916589374).

Almost surely, 2^85833178747 is an apocalyptic number.

85833178747 is a deficient number, since it is larger than the sum of its proper divisors (1).

85833178747 is an equidigital number, since it uses as much as digits as its factorization.

85833178747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31610880, while the sum is 61.

The spelling of 85833178747 in words is "eighty-five billion, eight hundred thirty-three million, one hundred seventy-eight thousand, seven hundred forty-seven".