85975768453 has 4 divisors (see below), whose sum is σ = 86152310560. Its totient is φ = 85799226348.

The previous prime is 85975768427. The next prime is 85975768457. The reversal of 85975768453 is 35486757958.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85975768453 - 2²⁵ = 85942214021 is a prime.

It is a super-2 number, since 2×85975768453² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85975768457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88270323 + ... + 88271296.

It is an arithmetic number, because the mean of its divisors is an integer number (21538077640).

Almost surely, 2^85975768453 is an apocalyptic number.

It is an amenable number.

85975768453 is a deficient number, since it is larger than the sum of its proper divisors (176542107).

85975768453 is a wasteful number, since it uses less digits than its factorization.

85975768453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176542106.

The product of its digits is 254016000, while the sum is 67.

The spelling of 85975768453 in words is "eighty-five billion, nine hundred seventy-five million, seven hundred sixty-eight thousand, four hundred fifty-three".