6815690700 has 144 divisors (see below), whose sum is σ = 24270946560. Its totient is φ = 1438030080.

The previous prime is 6815690689. The next prime is 6815690701. The reversal of 6815690700 is 70965186.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (6815690701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97530 + ... + 152129.

It is an arithmetic number, because the mean of its divisors is an integer number (168548240).

Almost surely, 2^6815690700 is an apocalyptic number.

6815690700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6815690700 is an abundant number, since it is smaller than the sum of its proper divisors (17455255860).

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

6815690700 is a wasteful number, since it uses less digits than its factorization.

6815690700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249696 (or 249689 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 6815690700 is about 82557.1965367042. The cubic root of 6815690700 is about 1895.9925414526.

The spelling of 6815690700 in words is "six billion, eight hundred fifteen million, six hundred ninety thousand, seven hundred".