5821640767 has 2 divisors, whose sum is σ = 5821640768. Its totient is φ = 5821640766.

The previous prime is 5821640749. The next prime is 5821640777. The reversal of 5821640767 is 7670461285.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5821640767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5821640777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2910820383 + 2910820384.

It is an arithmetic number, because the mean of its divisors is an integer number (2910820384).

Almost surely, 2^5821640767 is an apocalyptic number.

5821640767 is a deficient number, since it is larger than the sum of its proper divisors (1).

5821640767 is an equidigital number, since it uses as much as digits as its factorization.

5821640767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 5821640767 is about 76299.6773715328. The cubic root of 5821640767 is about 1798.9336036344.

The spelling of 5821640767 in words is "five billion, eight hundred twenty-one million, six hundred forty thousand, seven hundred sixty-seven".