786320133428 has 12 divisors (see below), whose sum is σ = 1377172659492. Its totient is φ = 392842230720.

The previous prime is 786320133427. The next prime is 786320133457. The reversal of 786320133428 is 824331023687.

It can be written as a sum of positive squares in 2 ways, for example, as 668450137744 + 117869995684 = 817588^2 + 343322^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (786320133427) 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, 79453433 + ... + 79463328.

It is an arithmetic number, because the mean of its divisors is an integer number (114764388291).

Almost surely, 2^786320133428 is an apocalyptic number.

It is an amenable number.

786320133428 is a deficient number, since it is larger than the sum of its proper divisors (590852526064).

786320133428 is a wasteful number, since it uses less digits than its factorization.

786320133428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158918002 (or 158918000 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 786320133428 in words is "seven hundred eighty-six billion, three hundred twenty million, one hundred thirty-three thousand, four hundred twenty-eight".