439008077 has 8 divisors (see below), whose sum is σ = 441714720. Its totient is φ = 436307760.

The previous prime is 439008067. The next prime is 439008083. The reversal of 439008077 is 770800934.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-439008077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 439008077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439008047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244499 + ... + 246287.

It is an arithmetic number, because the mean of its divisors is an integer number (55214340).

Almost surely, 2^439008077 is an apocalyptic number.

It is an amenable number.

439008077 is a deficient number, since it is larger than the sum of its proper divisors (2706643).

439008077 is a wasteful number, since it uses less digits than its factorization.

439008077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 439008077 is about 20952.5195859591. The cubic root of 439008077 is about 760.0185112066.

The spelling of 439008077 in words is "four hundred thirty-nine million, eight thousand, seventy-seven".