84580780312 has 32 divisors (see below), whose sum is σ = 181255345920. Its totient is φ = 36246742560.

The previous prime is 84580780307. The next prime is 84580780351. The reversal of 84580780312 is 21308708548.

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, 1211887 + ... + 1279777.

It is an arithmetic number, because the mean of its divisors is an integer number (5664229560).

Almost surely, 2^84580780312 is an apocalyptic number.

It is an amenable number.

84580780312 is an abundant number, since it is smaller than the sum of its proper divisors (96674565608).

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

84580780312 is a wasteful number, since it uses less digits than its factorization.

84580780312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90151 (or 90147 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 84580780312 in words is "eighty-four billion, five hundred eighty million, seven hundred eighty thousand, three hundred twelve".