84494038631 has 8 divisors (see below), whose sum is σ = 87415513680. Its totient is φ = 81573089472.

The previous prime is 84494038621. The next prime is 84494038697. The reversal of 84494038631 is 13683049448.

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

It is a cyclic number.

It is not a de Polignac number, because 84494038631 - 2⁶ = 84494038567 is a prime.

It is a super-2 number, since 2×84494038631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84494038631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84494038621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210536 + ... + 461858.

It is an arithmetic number, because the mean of its divisors is an integer number (10926939210).

Almost surely, 2^84494038631 is an apocalyptic number.

84494038631 is a deficient number, since it is larger than the sum of its proper divisors (2921475049).

84494038631 is a wasteful number, since it uses less digits than its factorization.

84494038631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262945.

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 84494038631 in words is "eighty-four billion, four hundred ninety-four million, thirty-eight thousand, six hundred thirty-one".