86213050780 has 72 divisors (see below), whose sum is σ = 189039553920. Its totient is φ = 32987969280.

The previous prime is 86213050769. The next prime is 86213050787. The reversal of 86213050780 is 8705031268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86213050787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6884725 + ... + 6897235.

It is an arithmetic number, because the mean of its divisors is an integer number (2625549360).

Almost surely, 2^86213050780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86213050780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94519776960).

86213050780 is an abundant number, since it is smaller than the sum of its proper divisors (102826503140).

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

86213050780 is a wasteful number, since it uses less digits than its factorization.

86213050780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12767 (or 12656 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 86213050780 in words is "eighty-six billion, two hundred thirteen million, fifty thousand, seven hundred eighty".