85401210457 has 16 divisors (see below), whose sum is σ = 87572938752. Its totient is φ = 83244991120.

The previous prime is 85401210413. The next prime is 85401210491. The reversal of 85401210457 is 75401210458.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85401210457 is a prime.

It is a super-2 number, since 2×85401210457² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85401210497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12353832 + ... + 12360742.

It is an arithmetic number, because the mean of its divisors is an integer number (5473308672).

Almost surely, 2^85401210457 is an apocalyptic number.

It is an amenable number.

85401210457 is a deficient number, since it is larger than the sum of its proper divisors (2171728295).

85401210457 is a wasteful number, since it uses less digits than its factorization.

85401210457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7988.

The product of its (nonzero) digits is 44800, while the sum is 37.

Subtracting from 85401210457 its reverse (75401210458), we obtain a palindrome (9999999999).

The spelling of 85401210457 in words is "eighty-five billion, four hundred one million, two hundred ten thousand, four hundred fifty-seven".