6039391978 has 8 divisors (see below), whose sum is σ = 9059542272. Its totient is φ = 3019544556.

The previous prime is 6039391949. The next prime is 6039392033. The reversal of 6039391978 is 8791939306.

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, 16650 + ... + 111157.

It is an arithmetic number, because the mean of its divisors is an integer number (1132442784).

Almost surely, 2^6039391978 is an apocalyptic number.

6039391978 is a deficient number, since it is larger than the sum of its proper divisors (3020150294).

6039391978 is a wasteful number, since it uses less digits than its factorization.

6039391978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151436.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The square root of 6039391978 is about 77713.5250648174. The cubic root of 6039391978 is about 1821.0885869754.

The spelling of 6039391978 in words is "six billion, thirty-nine million, three hundred ninety-one thousand, nine hundred seventy-eight".