85951340281 has 16 divisors (see below), whose sum is σ = 91297419840. Its totient is φ = 80637742080.

The previous prime is 85951340261. The next prime is 85951340291. The reversal of 85951340281 is 18204315958.

It is a cyclic number.

It is not a de Polignac number, because 85951340281 - 2²⁹ = 85414469369 is a prime.

It is a super-2 number, since 2×85951340281² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85951340201) 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, 22851441 + ... + 22855201.

It is an arithmetic number, because the mean of its divisors is an integer number (5706088740).

Almost surely, 2^85951340281 is an apocalyptic number.

It is an amenable number.

85951340281 is a deficient number, since it is larger than the sum of its proper divisors (5346079559).

85951340281 is a wasteful number, since it uses less digits than its factorization.

85951340281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7704.

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 85951340281 in words is "eighty-five billion, nine hundred fifty-one million, three hundred forty thousand, two hundred eighty-one".