6999770112 has 88 divisors (see below), whose sum is σ = 19161492096. Its totient is φ = 2270158848.

The previous prime is 6999770083. The next prime is 6999770117. The reversal of 6999770112 is 2110779996.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6999770117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82873 + ... + 144455.

Almost surely, 2^6999770112 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 6999770112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9580746048).

6999770112 is an abundant number, since it is smaller than the sum of its proper divisors (12161721984).

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

6999770112 is a wasteful number, since it uses less digits than its factorization.

6999770112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61643 (or 61625 counting only the distinct ones).

The product of its (nonzero) digits is 428652, while the sum is 51.

The square root of 6999770112 is about 83664.6287985550. The cubic root of 6999770112 is about 1912.9102415944.

The spelling of 6999770112 in words is "six billion, nine hundred ninety-nine million, seven hundred seventy thousand, one hundred twelve".