6845758038 has 128 divisors (see below), whose sum is σ = 18326476800. Its totient is φ = 1852695936.

The previous prime is 6845758037. The next prime is 6845758081. The reversal of 6845758038 is 8308575486.

6845758038 is a `hidden beast` number, since 6 + 8 + 4 + 57 + 580 + 3 + 8 = 666.

It is a super-2 number, since 2×6845758038² = 93728806229683218888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6845758037) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 575095 + ... + 586877.

It is an arithmetic number, because the mean of its divisors is an integer number (143175600).

Almost surely, 2^6845758038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6845758038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9163238400).

6845758038 is an abundant number, since it is smaller than the sum of its proper divisors (11480718762).

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

6845758038 is a wasteful number, since it uses less digits than its factorization.

6845758038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11883 (or 11877 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The square root of 6845758038 is about 82739.0961879570. The cubic root of 6845758038 is about 1898.7765011283.

The spelling of 6845758038 in words is "six billion, eight hundred forty-five million, seven hundred fifty-eight thousand, thirty-eight".