5064392778 has 8 divisors (see below), whose sum is σ = 10128785568. Its totient is φ = 1688130924.

The previous prime is 5064392777. The next prime is 5064392807. The reversal of 5064392778 is 8772934605.

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

5064392778 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 5064392778.

It is not an unprimeable number, because it can be changed into a prime (5064392777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422032726 + ... + 422032737.

It is an arithmetic number, because the mean of its divisors is an integer number (1266098196).

Almost surely, 2^5064392778 is an apocalyptic number.

5064392778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5064392778 is a wasteful number, since it uses less digits than its factorization.

5064392778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844065468.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The square root of 5064392778 is about 71164.5471987281. The cubic root of 5064392778 is about 1717.2853312336.

The spelling of 5064392778 in words is "five billion, sixty-four million, three hundred ninety-two thousand, seven hundred seventy-eight".