85401357385 has 16 divisors (see below), whose sum is σ = 107334927360. Its totient is φ = 65107641280.

The previous prime is 85401357383. The next prime is 85401357413. The reversal of 85401357385 is 58375310458.

It is not a de Polignac number, because 85401357385 - 2¹ = 85401357383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85401357383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1349401 + ... + 1411270.

It is an arithmetic number, because the mean of its divisors is an integer number (6708432960).

Almost surely, 2^85401357385 is an apocalyptic number.

It is an amenable number.

85401357385 is a deficient number, since it is larger than the sum of its proper divisors (21933569975).

85401357385 is a wasteful number, since it uses less digits than its factorization.

85401357385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760968.

The product of its (nonzero) digits is 2016000, while the sum is 49.

The spelling of 85401357385 in words is "eighty-five billion, four hundred one million, three hundred fifty-seven thousand, three hundred eighty-five".