855554793077 has 8 divisors (see below), whose sum is σ = 860040901656. Its totient is φ = 851069233152.

The previous prime is 855554793047. The next prime is 855554793101. The reversal of 855554793077 is 770397455558.

855554793077 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 70760788081 + 784794004996 = 266009^2 + 885886^2 .

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-855554793077 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 (855554793047) 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, 3202163 + ... + 3459039.

It is an arithmetic number, because the mean of its divisors is an integer number (107505112707).

Almost surely, 2^855554793077 is an apocalyptic number.

It is an amenable number.

855554793077 is a deficient number, since it is larger than the sum of its proper divisors (4486108579).

855554793077 is a wasteful number, since it uses less digits than its factorization.

855554793077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274327.

The product of its (nonzero) digits is 185220000, while the sum is 65.

The spelling of 855554793077 in words is "eight hundred fifty-five billion, five hundred fifty-four million, seven hundred ninety-three thousand, seventy-seven".