1898799055 has 8 divisors (see below), whose sum is σ = 2279037312. Its totient is φ = 1518720288.

The previous prime is 1898799047. The next prime is 1898799059. The reversal of 1898799055 is 5509978981.

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 1898799055 - 2³ = 1898799047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1898798984 and 1898799002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1898799059) 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, 11892 + ... + 62761.

It is an arithmetic number, because the mean of its divisors is an integer number (284879664).

Almost surely, 2^1898799055 is an apocalyptic number.

1898799055 is a deficient number, since it is larger than the sum of its proper divisors (380238257).

1898799055 is an equidigital number, since it uses as much as digits as its factorization.

1898799055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79745.

The product of its (nonzero) digits is 8164800, while the sum is 61.

The square root of 1898799055 is about 43575.2114739562. The cubic root of 1898799055 is about 1238.3013193249.

The spelling of 1898799055 in words is "one billion, eight hundred ninety-eight million, seven hundred ninety-nine thousand, fifty-five".