6845517882 has 24 divisors (see below), whose sum is σ = 16950806496. Its totient is φ = 1955862216.

The previous prime is 6845517881. The next prime is 6845517883. The reversal of 6845517882 is 2887155486.

6845517882 is a `hidden beast` number, since 6 + 8 + 4 + 551 + 7 + 8 + 82 = 666.

It is an interprime number because it is at equal distance from previous prime (6845517881) and next prime (6845517883).

It is a super-2 number, since 2×6845517882² = 93722230145563531848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6845517881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27164628 + ... + 27164879.

It is an arithmetic number, because the mean of its divisors is an integer number (706283604).

Almost surely, 2^6845517882 is an apocalyptic number.

6845517882 is an abundant number, since it is smaller than the sum of its proper divisors (10105288614).

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

6845517882 is a wasteful number, since it uses less digits than its factorization.

6845517882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54329522 (or 54329519 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 54.

The square root of 6845517882 is about 82737.6448903400. The cubic root of 6845517882 is about 1898.7542972127.

The spelling of 6845517882 in words is "six billion, eight hundred forty-five million, five hundred seventeen thousand, eight hundred eighty-two".