5613407778 has 32 divisors (see below), whose sum is σ = 12250248192. Its totient is φ = 1700642000.

The previous prime is 5613407749. The next prime is 5613407791. The reversal of 5613407778 is 8777043165.

It is a super-2 number, since 2×5613407778² = 63020693764221794568, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425875 + ... + 438857.

It is an arithmetic number, because the mean of its divisors is an integer number (382820256).

Almost surely, 2^5613407778 is an apocalyptic number.

5613407778 is an abundant number, since it is smaller than the sum of its proper divisors (6636840414).

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

5613407778 is a wasteful number, since it uses less digits than its factorization.

5613407778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19550.

The product of its (nonzero) digits is 987840, while the sum is 48.

The square root of 5613407778 is about 74922.6786627387. The cubic root of 5613407778 is about 1777.2241143585.

The spelling of 5613407778 in words is "five billion, six hundred thirteen million, four hundred seven thousand, seven hundred seventy-eight".