6890074847 has 2 divisors, whose sum is σ = 6890074848. Its totient is φ = 6890074846.

The previous prime is 6890074817. The next prime is 6890074901. The reversal of 6890074847 is 7484700986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6890074847 - 2²⁴ = 6873297631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6890074817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3445037423 + 3445037424.

It is an arithmetic number, because the mean of its divisors is an integer number (3445037424).

Almost surely, 2^6890074847 is an apocalyptic number.

6890074847 is a deficient number, since it is larger than the sum of its proper divisors (1).

6890074847 is an equidigital number, since it uses as much as digits as its factorization.

6890074847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The square root of 6890074847 is about 83006.4747293848. The cubic root of 6890074847 is about 1902.8650079723.

The spelling of 6890074847 in words is "six billion, eight hundred ninety million, seventy-four thousand, eight hundred forty-seven".