85276731 has 8 divisors (see below), whose sum is σ = 119686720. Its totient is φ = 53858952.

The previous prime is 85276727. The next prime is 85276747. The reversal of 85276731 is 13767258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85276731 - 2² = 85276727 is a prime.

It is a super-2 number, since 2×85276731² = 14544241700092722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85276731.

It is not an unprimeable number, because it can be changed into a prime (85276781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747985 + ... + 748098.

It is an arithmetic number, because the mean of its divisors is an integer number (14960840).

Almost surely, 2^85276731 is an apocalyptic number.

85276731 is a deficient number, since it is larger than the sum of its proper divisors (34409989).

85276731 is a wasteful number, since it uses less digits than its factorization.

85276731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496105.

The product of its digits is 70560, while the sum is 39.

The square root of 85276731 is about 9234.5401076610. The cubic root of 85276731 is about 440.1596029123.

The spelling of 85276731 in words is "eighty-five million, two hundred seventy-six thousand, seven hundred thirty-one".