7819836396 has 96 divisors (see below), whose sum is σ = 18720339456. Its totient is φ = 2540160000.

The previous prime is 7819836389. The next prime is 7819836421. The reversal of 7819836396 is 6936389187.

It is a super-2 number, since 2×7819836396² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37060731 + ... + 37060941.

It is an arithmetic number, because the mean of its divisors is an integer number (195003536).

Almost surely, 2^7819836396 is an apocalyptic number.

It is an amenable number.

7819836396 is an abundant number, since it is smaller than the sum of its proper divisors (10900503060).

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

7819836396 is a wasteful number, since it uses less digits than its factorization.

7819836396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 661 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 60.

The square root of 7819836396 is about 88429.8388328284. The cubic root of 7819836396 is about 1984.8722301210.

The spelling of 7819836396 in words is "seven billion, eight hundred nineteen million, eight hundred thirty-six thousand, three hundred ninety-six".