862801380860 has 12 divisors (see below), whose sum is σ = 1811882899848. Its totient is φ = 345120552336.

The previous prime is 862801380841. The next prime is 862801380871. The reversal of 862801380860 is 68083108268.

It is a junction number, because it is equal to n+sod(n) for n = 862801380799 and 862801380808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21570034502 + ... + 21570034541.

It is an arithmetic number, because the mean of its divisors is an integer number (150990241654).

Almost surely, 2^862801380860 is an apocalyptic number.

It is an amenable number.

862801380860 is an abundant number, since it is smaller than the sum of its proper divisors (949081518988).

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

862801380860 is a wasteful number, since it uses less digits than its factorization.

862801380860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43140069052 (or 43140069050 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 50.

The spelling of 862801380860 in words is "eight hundred sixty-two billion, eight hundred one million, three hundred eighty thousand, eight hundred sixty".