6897616620 has 24 divisors (see below), whose sum is σ = 19313326704. Its totient is φ = 1839364416.

The previous prime is 6897616613. The next prime is 6897616633. The reversal of 6897616620 is 266167986.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57480079 + ... + 57480198.

It is an arithmetic number, because the mean of its divisors is an integer number (804721946).

Almost surely, 2^6897616620 is an apocalyptic number.

6897616620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6897616620 is an abundant number, since it is smaller than the sum of its proper divisors (12415710084).

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

6897616620 is a wasteful number, since it uses less digits than its factorization.

6897616620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114960289 (or 114960287 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 6897616620 is about 83051.8911283783. The cubic root of 6897616620 is about 1903.5590373464.

The spelling of 6897616620 in words is "six billion, eight hundred ninety-seven million, six hundred sixteen thousand, six hundred twenty".