5439337978 has 8 divisors (see below), whose sum is σ = 8159347872. Its totient is φ = 2719555356.

The previous prime is 5439337957. The next prime is 5439337987. The reversal of 5439337978 is 8797339345.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28851 + ... + 108217.

It is an arithmetic number, because the mean of its divisors is an integer number (1019918484).

Almost surely, 2^5439337978 is an apocalyptic number.

5439337978 is a deficient number, since it is larger than the sum of its proper divisors (2720009894).

5439337978 is a wasteful number, since it uses less digits than its factorization.

5439337978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113636.

The product of its digits is 17146080, while the sum is 58.

The square root of 5439337978 is about 73751.8676238100. The cubic root of 5439337978 is about 1758.6605228815.

The spelling of 5439337978 in words is "five billion, four hundred thirty-nine million, three hundred thirty-seven thousand, nine hundred seventy-eight".