7830111412 has 6 divisors (see below), whose sum is σ = 13702694978. Its totient is φ = 3915055704.

The previous prime is 7830111383. The next prime is 7830111431. The reversal of 7830111412 is 2141110387.

It can be written as a sum of positive squares in only one way, i.e., 6316434576 + 1513676836 = 79476^2 + 38906^2 .

It is a super-2 number, since 2×7830111412² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978763923 + ... + 978763930.

Almost surely, 2^7830111412 is an apocalyptic number.

It is an amenable number.

7830111412 is a deficient number, since it is larger than the sum of its proper divisors (5872583566).

7830111412 is a wasteful number, since it uses less digits than its factorization.

7830111412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957527857 (or 1957527855 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 7830111412 is about 88487.9167570353. The cubic root of 7830111412 is about 1985.7412025986.

Adding to 7830111412 its reverse (2141110387), we get a palindrome (9971221799).

The spelling of 7830111412 in words is "seven billion, eight hundred thirty million, one hundred eleven thousand, four hundred twelve".