5405778700 has 72 divisors (see below), whose sum is σ = 13529516000. Its totient is φ = 1836380160.

The previous prime is 5405778691. The next prime is 5405778713. The reversal of 5405778700 is 78775045.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40876 + ... + 111724.

Almost surely, 2^5405778700 is an apocalyptic number.

5405778700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5405778700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6764758000).

5405778700 is an abundant number, since it is smaller than the sum of its proper divisors (8123737300).

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

5405778700 is a wasteful number, since it uses less digits than its factorization.

5405778700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70979 (or 70972 counting only the distinct ones).

The product of its (nonzero) digits is 274400, while the sum is 43.

The square root of 5405778700 is about 73524.0008432621. Note that the first 3 decimals coincide. The cubic root of 5405778700 is about 1755.0362354296.

The spelling of 5405778700 in words is "five billion, four hundred five million, seven hundred seventy-eight thousand, seven hundred".