5711319978 has 32 divisors (see below), whose sum is σ = 14058635136. Its totient is φ = 1506282048.

The previous prime is 5711319959. The next prime is 5711319989. The reversal of 5711319978 is 8799131175.

It is a super-2 number, since 2×5711319978² = 65238351782203840968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5711319978.

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, 5229601 + ... + 5230692.

It is an arithmetic number, because the mean of its divisors is an integer number (439332348).

Almost surely, 2^5711319978 is an apocalyptic number.

5711319978 is an abundant number, since it is smaller than the sum of its proper divisors (8347315158).

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

5711319978 is a wasteful number, since it uses less digits than its factorization.

5711319978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10460318.

The product of its digits is 476280, while the sum is 51.

The square root of 5711319978 is about 75573.2755542593. The cubic root of 5711319978 is about 1787.4977237521.

The spelling of 5711319978 in words is "five billion, seven hundred eleven million, three hundred nineteen thousand, nine hundred seventy-eight".