84177616444 has 12 divisors (see below), whose sum is σ = 147747955264. Its totient is φ = 41963914944.

The previous prime is 84177616433. The next prime is 84177616451. The reversal of 84177616444 is 44461677148.

It is a super-2 number, since 2×84177616444² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84177616391 and 84177616400.

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 3 ways as a sum of consecutive naturals, for example, 31221804 + ... + 31224499.

Almost surely, 2^84177616444 is an apocalyptic number.

It is an amenable number.

84177616444 is a deficient number, since it is larger than the sum of its proper divisors (63570338820).

84177616444 is a wasteful number, since it uses less digits than its factorization.

84177616444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62446644 (or 62446642 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 52.

The spelling of 84177616444 in words is "eighty-four billion, one hundred seventy-seven million, six hundred sixteen thousand, four hundred forty-four".