1055877198 has 16 divisors (see below), whose sum is σ = 2130443856. Its totient is φ = 348844160.

The previous prime is 1055877149. The next prime is 1055877203. The reversal of 1055877198 is 8917785501.

It is a super-2 number, since 2×1055877198² = 2229753314512662408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055877198.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777993 + ... + 779348.

It is an arithmetic number, because the mean of its divisors is an integer number (133152741).

Almost surely, 2^1055877198 is an apocalyptic number.

1055877198 is an abundant number, since it is smaller than the sum of its proper divisors (1074566658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055877198 is a wasteful number, since it uses less digits than its factorization.

1055877198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557459.

The product of its (nonzero) digits is 705600, while the sum is 51.

The square root of 1055877198 is about 32494.2640784493. The cubic root of 1055877198 is about 1018.2891986650.

The spelling of 1055877198 in words is "one billion, fifty-five million, eight hundred seventy-seven thousand, one hundred ninety-eight".