85574902248079 has 2 divisors, whose sum is σ = 85574902248080. Its totient is φ = 85574902248078.

The previous prime is 85574902248053. The next prime is 85574902248131. The reversal of 85574902248079 is 97084220947558.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85574902248079 - 2⁵ = 85574902248047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85574902247999 and 85574902248017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85574902248179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42787451124039 + 42787451124040.

It is an arithmetic number, because the mean of its divisors is an integer number (42787451124040).

Almost surely, 2^{85574902248079} is an apocalyptic number.

85574902248079 is a deficient number, since it is larger than the sum of its proper divisors (1).

85574902248079 is an equidigital number, since it uses as much as digits as its factorization.

85574902248079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 406425600, while the sum is 70.

The spelling of 85574902248079 in words is "eighty-five trillion, five hundred seventy-four billion, nine hundred two million, two hundred forty-eight thousand, seventy-nine".