6889356072 has 64 divisors (see below), whose sum is σ = 20144328000. Its totient is φ = 2175584832.

The previous prime is 6889356059. The next prime is 6889356077. The reversal of 6889356072 is 2706539886.

It is a happy number.

6889356072 is a `hidden beast` number, since 6 + 8 + 8 + 9 + 3 + 560 + 72 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (6889356077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 835243 + ... + 843450.

It is an arithmetic number, because the mean of its divisors is an integer number (314755125).

Almost surely, 2^6889356072 is an apocalyptic number.

It is an amenable number.

6889356072 is an abundant number, since it is smaller than the sum of its proper divisors (13254971928).

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

6889356072 is a wasteful number, since it uses less digits than its factorization.

6889356072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678727 (or 1678717 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The square root of 6889356072 is about 83002.1449843316. The cubic root of 6889356072 is about 1902.7988364919.

The spelling of 6889356072 in words is "six billion, eight hundred eighty-nine million, three hundred fifty-six thousand, seventy-two".