2855487761 has 8 divisors (see below), whose sum is σ = 3302733504. Its totient is φ = 2418071760.

The previous prime is 2855487737. The next prime is 2855487781. The reversal of 2855487761 is 1677845582.

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 2855487761 - 2¹⁰ = 2855486737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2855487781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2456810 + ... + 2457971.

It is an arithmetic number, because the mean of its divisors is an integer number (412841688).

Almost surely, 2^2855487761 is an apocalyptic number.

It is an amenable number.

2855487761 is a deficient number, since it is larger than the sum of its proper divisors (447245743).

2855487761 is an equidigital number, since it uses as much as digits as its factorization.

2855487761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914871.

The product of its digits is 3763200, while the sum is 53.

The square root of 2855487761 is about 53436.7641329450. The cubic root of 2855487761 is about 1418.7093610824.

The spelling of 2855487761 in words is "two billion, eight hundred fifty-five million, four hundred eighty-seven thousand, seven hundred sixty-one".