84770415873 has 48 divisors (see below), whose sum is σ = 144888045120. Its totient is φ = 47082729600.

The previous prime is 84770415787. The next prime is 84770415893. The reversal of 84770415873 is 37851407748.

84770415873 is a `hidden beast` number, since 84 + 7 + 70 + 415 + 87 + 3 = 666.

It is not a de Polignac number, because 84770415873 - 2¹⁰ = 84770414849 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (84770415893) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 58038 + ... + 415823.

It is an arithmetic number, because the mean of its divisors is an integer number (3018500940).

Almost surely, 2^84770415873 is an apocalyptic number.

It is an amenable number.

84770415873 is a deficient number, since it is larger than the sum of its proper divisors (60117629247).

84770415873 is a wasteful number, since it uses less digits than its factorization.

84770415873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474030 (or 474027 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The spelling of 84770415873 in words is "eighty-four billion, seven hundred seventy million, four hundred fifteen thousand, eight hundred seventy-three".