84434607646 has 8 divisors (see below), whose sum is σ = 128435741424. Its totient is φ = 41622693840.

The previous prime is 84434607643. The next prime is 84434607671. The reversal of 84434607646 is 64670643448.

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

It is a super-2 number, since 2×84434607646² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84434607593 and 84434607602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84434607643) 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, 297304815 + ... + 297305098.

It is an arithmetic number, because the mean of its divisors is an integer number (16054467678).

Almost surely, 2^84434607646 is an apocalyptic number.

84434607646 is a deficient number, since it is larger than the sum of its proper divisors (44001133778).

84434607646 is a wasteful number, since it uses less digits than its factorization.

84434607646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594609986.

The product of its (nonzero) digits is 9289728, while the sum is 52.

The spelling of 84434607646 in words is "eighty-four billion, four hundred thirty-four million, six hundred seven thousand, six hundred forty-six".