84895739764 has 36 divisors (see below), whose sum is σ = 164985127972. Its totient is φ = 38191127040.

The previous prime is 84895739723. The next prime is 84895739771. The reversal of 84895739764 is 46793759848.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26225211364 + 58670528400 = 161942^2 + 242220^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84895739693 and 84895739702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 857199 + ... + 951094.

Almost surely, 2^84895739764 is an apocalyptic number.

It is an amenable number.

84895739764 is a deficient number, since it is larger than the sum of its proper divisors (80089388208).

84895739764 is a wasteful number, since it uses less digits than its factorization.

84895739764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808416 (or 1808403 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 70.

The spelling of 84895739764 in words is "eighty-four billion, eight hundred ninety-five million, seven hundred thirty-nine thousand, seven hundred sixty-four".