1161777230 has 64 divisors (see below), whose sum is σ = 2267092800. Its totient is φ = 427207680.

The previous prime is 1161777223. The next prime is 1161777233. The reversal of 1161777230 is 327771611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161777233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2282216 + ... + 2282724.

It is an arithmetic number, because the mean of its divisors is an integer number (35423325).

Almost surely, 2^1161777230 is an apocalyptic number.

1161777230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161777230 is a deficient number, since it is larger than the sum of its proper divisors (1105315570).

1161777230 is a wasteful number, since it uses less digits than its factorization.

1161777230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869.

The product of its (nonzero) digits is 12348, while the sum is 35.

The square root of 1161777230 is about 34084.8533809374. The cubic root of 1161777230 is about 1051.2539003448.

The spelling of 1161777230 in words is "one billion, one hundred sixty-one million, seven hundred seventy-seven thousand, two hundred thirty".