789406477 has 8 divisors (see below), whose sum is σ = 820864440. Its totient is φ = 758231040.

The previous prime is 789406463. The next prime is 789406481. The reversal of 789406477 is 774604987.

789406477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8259876 + 781146601 = 2874^2 + 27949^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 789406477 - 2¹⁵ = 789373709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789406417) 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, 64924 + ... + 76117.

It is an arithmetic number, because the mean of its divisors is an integer number (102608055).

Almost surely, 2^789406477 is an apocalyptic number.

It is an amenable number.

789406477 is a deficient number, since it is larger than the sum of its proper divisors (31457963).

789406477 is a wasteful number, since it uses less digits than its factorization.

789406477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141263.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The square root of 789406477 is about 28096.3783609205. The cubic root of 789406477 is about 924.2019811224.

The spelling of 789406477 in words is "seven hundred eighty-nine million, four hundred six thousand, four hundred seventy-seven".