84473121501 has 12 divisors (see below), whose sum is σ = 123561247680. Its totient is φ = 55602560520.

The previous prime is 84473121443. The next prime is 84473121529. The reversal of 84473121501 is 10512137448.

84473121501 is a `hidden beast` number, since 84 + 4 + 73 + 1 + 2 + 1 + 501 = 666.

It is not a de Polignac number, because 84473121501 - 2⁷ = 84473121373 is a prime.

It is a super-2 number, since 2×84473121501² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84473121301) 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 11 ways as a sum of consecutive naturals, for example, 59403735 + ... + 59405156.

It is an arithmetic number, because the mean of its divisors is an integer number (10296770640).

Almost surely, 2^84473121501 is an apocalyptic number.

It is an amenable number.

84473121501 is a deficient number, since it is larger than the sum of its proper divisors (39088126179).

84473121501 is a wasteful number, since it uses less digits than its factorization.

84473121501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118808976 (or 118808973 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

Adding to 84473121501 its reverse (10512137448), we get a palindrome (94985258949).

The spelling of 84473121501 in words is "eighty-four billion, four hundred seventy-three million, one hundred twenty-one thousand, five hundred one".