1798078130 has 32 divisors (see below), whose sum is σ = 3384115200. Its totient is φ = 686564032.

The previous prime is 1798078109. The next prime is 1798078133. The reversal of 1798078130 is 318708971.

It is not an unprimeable number, because it can be changed into a prime (1798078133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109391 + ... + 124749.

It is an arithmetic number, because the mean of its divisors is an integer number (105753600).

Almost surely, 2^1798078130 is an apocalyptic number.

1798078130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1798078130 is a deficient number, since it is larger than the sum of its proper divisors (1586037070).

1798078130 is a wasteful number, since it uses less digits than its factorization.

1798078130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15898.

The product of its (nonzero) digits is 84672, while the sum is 44.

The square root of 1798078130 is about 42403.7513670666. The cubic root of 1798078130 is about 1216.0073115507.

The spelling of 1798078130 in words is "one billion, seven hundred ninety-eight million, seventy-eight thousand, one hundred thirty".