84491785935 has 32 divisors (see below), whose sum is σ = 159043366080. Its totient is φ = 42411561984.

The previous prime is 84491785933. The next prime is 84491785967. The reversal of 84491785935 is 53958719448.

It is not a de Polignac number, because 84491785935 - 2¹ = 84491785933 is a prime.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18405502 + ... + 18410091.

It is an arithmetic number, because the mean of its divisors is an integer number (4970105190).

Almost surely, 2^84491785935 is an apocalyptic number.

84491785935 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

84491785935 is a deficient number, since it is larger than the sum of its proper divisors (74551580145).

84491785935 is a wasteful number, since it uses less digits than its factorization.

84491785935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36815624 (or 36815618 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The spelling of 84491785935 in words is "eighty-four billion, four hundred ninety-one million, seven hundred eighty-five thousand, nine hundred thirty-five".