84179665652 has 24 divisors (see below), whose sum is σ = 152353205760. Its totient is φ = 40672850400.

The previous prime is 84179665601. The next prime is 84179665693. The reversal of 84179665652 is 25656697148.

It is a super-2 number, since 2×84179665652² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84179665591 and 84179665600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2819099 + ... + 2848802.

It is an arithmetic number, because the mean of its divisors is an integer number (6348050240).

Almost surely, 2^84179665652 is an apocalyptic number.

It is an amenable number.

84179665652 is a deficient number, since it is larger than the sum of its proper divisors (68173540108).

84179665652 is a wasteful number, since it uses less digits than its factorization.

84179665652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5668031 (or 5668029 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 59.

The spelling of 84179665652 in words is "eighty-four billion, one hundred seventy-nine million, six hundred sixty-five thousand, six hundred fifty-two".