6987928468234 has 24 divisors (see below), whose sum is σ = 12193326817380. Its totient is φ = 2994800772096.

The previous prime is 6987928468231. The next prime is 6987928468247. The reversal of 6987928468234 is 4328648297896.

It can be written as a sum of positive squares in 2 ways, for example, as 6540371482225 + 447556986009 = 2557415^2 + 668997^2 .

It is a super-2 number, since 2×6987928468234² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6987928468231) 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, 15102922 + ... + 15558730.

Almost surely, 2^{6987928468234} is an apocalyptic number.

6987928468234 is a deficient number, since it is larger than the sum of its proper divisors (5205398349146).

6987928468234 is a wasteful number, since it uses less digits than its factorization.

6987928468234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612262 (or 612255 counting only the distinct ones).

The product of its digits is 2006581248, while the sum is 76.

The spelling of 6987928468234 in words is "six trillion, nine hundred eighty-seven billion, nine hundred twenty-eight million, four hundred sixty-eight thousand, two hundred thirty-four".