7447486893 has 32 divisors (see below), whose sum is σ = 12393111552. Its totient is φ = 3864801600.

The previous prime is 7447486853. The next prime is 7447486927. The reversal of 7447486893 is 3986847447.

It is not a de Polignac number, because 7447486893 - 2⁹ = 7447486381 is a prime.

It is a super-2 number, since 2×7447486893² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7447486853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212655 + ... + 245187.

It is an arithmetic number, because the mean of its divisors is an integer number (387284736).

Almost surely, 2^7447486893 is an apocalyptic number.

It is an amenable number.

7447486893 is a deficient number, since it is larger than the sum of its proper divisors (4945624659).

7447486893 is a wasteful number, since it uses less digits than its factorization.

7447486893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33545.

The product of its digits is 32514048, while the sum is 60.

The square root of 7447486893 is about 86298.8232422668. The cubic root of 7447486893 is about 1952.8546306009.

The spelling of 7447486893 in words is "seven billion, four hundred forty-seven million, four hundred eighty-six thousand, eight hundred ninety-three".