84495644774 has 8 divisors (see below), whose sum is σ = 126799980120. Its totient is φ = 42228984736.

The previous prime is 84495644773. The next prime is 84495644777. The reversal of 84495644774 is 47744659448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×84495644774² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84495644771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9413219 + ... + 9422190.

It is an arithmetic number, because the mean of its divisors is an integer number (15849997515).

Almost surely, 2^84495644774 is an apocalyptic number.

84495644774 is a deficient number, since it is larger than the sum of its proper divisors (42304335346).

84495644774 is a wasteful number, since it uses less digits than its factorization.

84495644774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18837654.

The product of its digits is 108380160, while the sum is 62.

The spelling of 84495644774 in words is "eighty-four billion, four hundred ninety-five million, six hundred forty-four thousand, seven hundred seventy-four".