85201324680761 has 4 divisors (see below), whose sum is σ = 85212551638500. Its totient is φ = 85190097723024.

The previous prime is 85201324680757. The next prime is 85201324680767. The reversal of 85201324680761 is 16708642310258.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34103918100736 + 51097406580025 = 5839856^2 + 7148245^2 .

It is a cyclic number.

It is not a de Polignac number, because 85201324680761 - 2² = 85201324680757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85201324680767) 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, 5613467486 + ... + 5613482663.

It is an arithmetic number, because the mean of its divisors is an integer number (21303137909625).

Almost surely, 2^{85201324680761} is an apocalyptic number.

It is an amenable number.

85201324680761 is a deficient number, since it is larger than the sum of its proper divisors (11226957739).

85201324680761 is a wasteful number, since it uses less digits than its factorization.

85201324680761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11226957738.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 85201324680761 in words is "eighty-five trillion, two hundred one billion, three hundred twenty-four million, six hundred eighty thousand, seven hundred sixty-one".