8400774810 has 64 divisors (see below), whose sum is σ = 20878300800. Its totient is φ = 2160759552.

The previous prime is 8400774803. The next prime is 8400774829. The reversal of 8400774810 is 184770048.

It is a super-2 number, since 2×8400774810² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 960477 + ... + 969183.

It is an arithmetic number, because the mean of its divisors is an integer number (326223450).

Almost surely, 2^8400774810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8400774810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10439150400).

8400774810 is an abundant number, since it is smaller than the sum of its proper divisors (12477525990).

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

8400774810 is a wasteful number, since it uses less digits than its factorization.

8400774810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9855.

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 8400774810 is about 91655.7407367373. The cubic root of 8400774810 is about 2032.8552128241.

The spelling of 8400774810 in words is "eight billion, four hundred million, seven hundred seventy-four thousand, eight hundred ten".