6997978360 has 16 divisors (see below), whose sum is σ = 15745451400. Its totient is φ = 2799191328.

The previous prime is 6997978357. The next prime is 6997978373. The reversal of 6997978360 is 638797996.

It is a super-2 number, since 2×6997978360² = 97943402254056579200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6997978292 and 6997978301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87474690 + ... + 87474769.

Almost surely, 2^6997978360 is an apocalyptic number.

It is an amenable number.

6997978360 is an abundant number, since it is smaller than the sum of its proper divisors (8747473040).

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

6997978360 is a wasteful number, since it uses less digits than its factorization.

6997978360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174949470 (or 174949466 counting only the distinct ones).

The product of its (nonzero) digits is 30862944, while the sum is 64.

The square root of 6997978360 is about 83653.9201711432. The cubic root of 6997978360 is about 1912.7470098890.

The spelling of 6997978360 in words is "six billion, nine hundred ninety-seven million, nine hundred seventy-eight thousand, three hundred sixty".