6865747830 has 24 divisors (see below), whose sum is σ = 17850944592. Its totient is φ = 1830866064.

The previous prime is 6865747829. The next prime is 6865747849. The reversal of 6865747830 is 387475686.

6865747830 is a `hidden beast` number, since 68 + 6 + 574 + 7 + 8 + 3 + 0 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38142954 + ... + 38143133.

It is an arithmetic number, because the mean of its divisors is an integer number (743789358).

Almost surely, 2^6865747830 is an apocalyptic number.

6865747830 is an abundant number, since it is smaller than the sum of its proper divisors (10985196762).

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

6865747830 is a wasteful number, since it uses less digits than its factorization.

6865747830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76286100 (or 76286097 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The square root of 6865747830 is about 82859.8082908716. The cubic root of 6865747830 is about 1900.6228641171.

The spelling of 6865747830 in words is "six billion, eight hundred sixty-five million, seven hundred forty-seven thousand, eight hundred thirty".