84591949120 has 56 divisors (see below), whose sum is σ = 230210953344. Its totient is φ = 29002953216.

The previous prime is 84591949103. The next prime is 84591949139. The reversal of 84591949120 is 2194919548.

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18879892 + ... + 18884371.

Almost surely, 2^84591949120 is an apocalyptic number.

84591949120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84591949120 is an abundant number, since it is smaller than the sum of its proper divisors (145619004224).

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

84591949120 is a wasteful number, since it uses less digits than its factorization.

84591949120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37764287 (or 37764277 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 84591949120 in words is "eighty-four billion, five hundred ninety-one million, nine hundred forty-nine thousand, one hundred twenty".