84491785934 has 48 divisors (see below), whose sum is σ = 133022282400. Its totient is φ = 40239400320.

The previous prime is 84491785933. The next prime is 84491785967. The reversal of 84491785934 is 43958719448.

It is a super-3 number, since 3×84491785934³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84491785933) 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 23 ways as a sum of consecutive naturals, for example, 28963844 + ... + 28966760.

It is an arithmetic number, because the mean of its divisors is an integer number (2771297550).

Almost surely, 2^84491785934 is an apocalyptic number.

84491785934 is a deficient number, since it is larger than the sum of its proper divisors (48530496466).

84491785934 is a wasteful number, since it uses less digits than its factorization.

84491785934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213 (or 3176 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 62.

The spelling of 84491785934 in words is "eighty-four billion, four hundred ninety-one million, seven hundred eighty-five thousand, nine hundred thirty-four".