806547341920 has 48 divisors (see below), whose sum is σ = 1905521986368. Its totient is φ = 322609812480.

The previous prime is 806547341891. The next prime is 806547341987. The reversal of 806547341920 is 29143745608.

It is a happy number.

It is a super-2 number, since 2×806547341920² (a number of 25 digits) contains 22 as substring.

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, 10348537 + ... + 10426183.

It is an arithmetic number, because the mean of its divisors is an integer number (39698374716).

It is a 1-persistent number, because it is pandigital, but 2⋅806547341920 = 1613094683840 is not.

Almost surely, 2^806547341920 is an apocalyptic number.

806547341920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

806547341920 is an abundant number, since it is smaller than the sum of its proper divisors (1098974644448).

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

806547341920 is a wasteful number, since it uses less digits than its factorization.

806547341920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142583 (or 142575 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 806547341920 in words is "eight hundred six billion, five hundred forty-seven million, three hundred forty-one thousand, nine hundred twenty".