5855198761 has 2 divisors, whose sum is σ = 5855198762. Its totient is φ = 5855198760.

The previous prime is 5855198753. The next prime is 5855198771. The reversal of 5855198761 is 1678915585.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5146627600 + 708571161 = 71740^2 + 26619^2 .

It is a cyclic number.

It is not a de Polignac number, because 5855198761 - 2³ = 5855198753 is a prime.

It is not a weakly prime, because it can be changed into another prime (5855198731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2927599380 + 2927599381.

It is an arithmetic number, because the mean of its divisors is an integer number (2927599381).

Almost surely, 2^5855198761 is an apocalyptic number.

It is an amenable number.

5855198761 is a deficient number, since it is larger than the sum of its proper divisors (1).

5855198761 is an equidigital number, since it uses as much as digits as its factorization.

5855198761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024000, while the sum is 55.

The square root of 5855198761 is about 76519.2705205689. The cubic root of 5855198761 is about 1802.3835461400.

The spelling of 5855198761 in words is "five billion, eight hundred fifty-five million, one hundred ninety-eight thousand, seven hundred sixty-one".