6997979436 has 48 divisors (see below), whose sum is σ = 18916929024. Its totient is φ = 1972031616.

The previous prime is 6997979431. The next prime is 6997979437. The reversal of 6997979436 is 6349797996.

It is not an unprimeable number, because it can be changed into a prime (6997979431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564480 + ... + 576743.

It is an arithmetic number, because the mean of its divisors is an integer number (394102688).

Almost surely, 2^6997979436 is an apocalyptic number.

It is an amenable number.

6997979436 is an abundant number, since it is smaller than the sum of its proper divisors (11918949588).

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

6997979436 is a wasteful number, since it uses less digits than its factorization.

6997979436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141310 (or 1141308 counting only the distinct ones).

The product of its digits is 138883248, while the sum is 69.

The square root of 6997979436 is about 83653.9266024016. The cubic root of 6997979436 is about 1912.7471079228.

The spelling of 6997979436 in words is "six billion, nine hundred ninety-seven million, nine hundred seventy-nine thousand, four hundred thirty-six".