7798229919 has 24 divisors (see below), whose sum is σ = 11931416640. Its totient is φ = 4891074048.

The previous prime is 7798229861. The next prime is 7798229941. The reversal of 7798229919 is 9199228977.

It is not a de Polignac number, because 7798229919 - 2¹² = 7798225823 is a prime.

It is a super-2 number, since 2×7798229919² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7798229969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 445674 + ... + 462840.

It is an arithmetic number, because the mean of its divisors is an integer number (497142360).

Almost surely, 2^7798229919 is an apocalyptic number.

7798229919 is a deficient number, since it is larger than the sum of its proper divisors (4133186721).

7798229919 is a wasteful number, since it uses less digits than its factorization.

7798229919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20159 (or 20156 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 63.

The square root of 7798229919 is about 88307.5869843583. The cubic root of 7798229919 is about 1983.0424537530.

The spelling of 7798229919 in words is "seven billion, seven hundred ninety-eight million, two hundred twenty-nine thousand, nine hundred nineteen".