6987479738 has 16 divisors (see below), whose sum is σ = 10519044480. Its totient is φ = 3481150176.

The previous prime is 6987479731. The next prime is 6987479761. The reversal of 6987479738 is 8379747896.

It is not an unprimeable number, because it can be changed into a prime (6987479731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900431 + ... + 908157.

It is an arithmetic number, because the mean of its divisors is an integer number (657440280).

Almost surely, 2^6987479738 is an apocalyptic number.

6987479738 is a deficient number, since it is larger than the sum of its proper divisors (3531564742).

6987479738 is a wasteful number, since it uses less digits than its factorization.

6987479738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9301.

The product of its digits is 128024064, while the sum is 68.

The square root of 6987479738 is about 83591.1462895443. The cubic root of 6987479738 is about 1911.7900069104.

The spelling of 6987479738 in words is "six billion, nine hundred eighty-seven million, four hundred seventy-nine thousand, seven hundred thirty-eight".