85254538387 has 2 divisors, whose sum is σ = 85254538388. Its totient is φ = 85254538386.

The previous prime is 85254538361. The next prime is 85254538423. The reversal of 85254538387 is 78383545258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85254538387 - 2¹⁵ = 85254505619 is a prime.

It is not a weakly prime, because it can be changed into another prime (85254538687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42627269193 + 42627269194.

It is an arithmetic number, because the mean of its divisors is an integer number (42627269194).

Almost surely, 2^85254538387 is an apocalyptic number.

85254538387 is a deficient number, since it is larger than the sum of its proper divisors (1).

85254538387 is an equidigital number, since it uses as much as digits as its factorization.

85254538387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256000, while the sum is 58.

The spelling of 85254538387 in words is "eighty-five billion, two hundred fifty-four million, five hundred thirty-eight thousand, three hundred eighty-seven".