485884615187631 has 16 divisors (see below), whose sum is σ = 706767570799488. Its totient is φ = 294464560879200.

The previous prime is 485884615187561. The next prime is 485884615187663. The reversal of 485884615187631 is 136781516488584.

It is a de Polignac number, because none of the positive numbers 2^k-485884615187631 is a prime.

It is a super-2 number, since 2×485884615187631² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485884615087631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273187081 + ... + 274959906.

It is an arithmetic number, because the mean of its divisors is an integer number (44172973174968).

Almost surely, 2^{485884615187631} is an apocalyptic number.

485884615187631 is a deficient number, since it is larger than the sum of its proper divisors (220882955611857).

485884615187631 is a wasteful number, since it uses less digits than its factorization.

485884615187631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548173862.

The product of its digits is 1238630400, while the sum is 75.

The spelling of 485884615187631 in words is "four hundred eighty-five trillion, eight hundred eighty-four billion, six hundred fifteen million, one hundred eighty-seven thousand, six hundred thirty-one".