787200397133 has 4 divisors (see below), whose sum is σ = 808476083580. Its totient is φ = 765924710688.

The previous prime is 787200397117. The next prime is 787200397171. The reversal of 787200397133 is 331793002787.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 472481641129 + 314718756004 = 687373^2 + 560998^2 .

It is a cyclic number.

It is not a de Polignac number, because 787200397133 - 2⁴ = 787200397117 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 (787200390133) 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, 10637843168 + ... + 10637843241.

It is an arithmetic number, because the mean of its divisors is an integer number (202119020895).

Almost surely, 2^787200397133 is an apocalyptic number.

It is an amenable number.

787200397133 is a deficient number, since it is larger than the sum of its proper divisors (21275686447).

787200397133 is a wasteful number, since it uses less digits than its factorization.

787200397133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21275686446.

The product of its (nonzero) digits is 1333584, while the sum is 50.

The spelling of 787200397133 in words is "seven hundred eighty-seven billion, two hundred million, three hundred ninety-seven thousand, one hundred thirty-three".