84538401464 has 32 divisors (see below), whose sum is σ = 174702150000. Its totient is φ = 38030392320.

The previous prime is 84538401461. The next prime is 84538401503. The reversal of 84538401464 is 46410483548.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84538401461) 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 7 ways as a sum of consecutive naturals, for example, 4943339 + ... + 4960410.

Almost surely, 2^84538401464 is an apocalyptic number.

It is an amenable number.

84538401464 is an abundant number, since it is smaller than the sum of its proper divisors (90163748536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84538401464 is a wasteful number, since it uses less digits than its factorization.

84538401464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9903863 (or 9903859 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 84538401464 in words is "eighty-four billion, five hundred thirty-eight million, four hundred one thousand, four hundred sixty-four".