855777063 has 8 divisors (see below), whose sum is σ = 1143147376. Its totient is φ = 569462400.

The previous prime is 855777053. The next prime is 855777071. The reversal of 855777063 is 360777558.

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

It is not a de Polignac number, because 855777063 - 2⁴ = 855777047 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 (855777053) 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, 262018 + ... + 265263.

It is an arithmetic number, because the mean of its divisors is an integer number (142893422).

Almost surely, 2^855777063 is an apocalyptic number.

855777063 is a deficient number, since it is larger than the sum of its proper divisors (287370313).

855777063 is a wasteful number, since it uses less digits than its factorization.

855777063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527825.

The product of its (nonzero) digits is 1234800, while the sum is 48.

The square root of 855777063 is about 29253.6675136640. The cubic root of 855777063 is about 949.4094438596.

The spelling of 855777063 in words is "eight hundred fifty-five million, seven hundred seventy-seven thousand, sixty-three".