7938669100 has 72 divisors (see below), whose sum is σ = 17816387456. Its totient is φ = 3067200000.

The previous prime is 7938669097. The next prime is 7938669113. The reversal of 7938669100 is 19668397.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1860970 + ... + 1865230.

Almost surely, 2^7938669100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7938669100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8908193728).

7938669100 is an abundant number, since it is smaller than the sum of its proper divisors (9877718356).

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

7938669100 is a wasteful number, since it uses less digits than its factorization.

7938669100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907 (or 4900 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 7938669100 is about 89099.2093118676. The cubic root of 7938669100 is about 1994.8759750621.

The spelling of 7938669100 in words is "seven billion, nine hundred thirty-eight million, six hundred sixty-nine thousand, one hundred".