85460777731 has 8 divisors (see below), whose sum is σ = 97671673440. Its totient is φ = 73250435328.

The previous prime is 85460777729. The next prime is 85460777761. The reversal of 85460777731 is 13777706458.

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

It is not a de Polignac number, because 85460777731 - 2¹ = 85460777729 is a prime.

It is a super-2 number, since 2×85460777731² (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 (85460777761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274995 + ... + 496531.

It is an arithmetic number, because the mean of its divisors is an integer number (12208959180).

Almost surely, 2^85460777731 is an apocalyptic number.

85460777731 is a deficient number, since it is larger than the sum of its proper divisors (12210895709).

85460777731 is a wasteful number, since it uses less digits than its factorization.

85460777731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276653.

The product of its (nonzero) digits is 6914880, while the sum is 55.

The spelling of 85460777731 in words is "eighty-five billion, four hundred sixty million, seven hundred seventy-seven thousand, seven hundred thirty-one".