7822827487 has 2 divisors, whose sum is σ = 7822827488. Its totient is φ = 7822827486.

The previous prime is 7822827479. The next prime is 7822827569. The reversal of 7822827487 is 7847282287.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7822827487 - 2³ = 7822827479 is a prime.

It is a super-2 number, since 2×7822827487² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7822827407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3911413743 + 3911413744.

It is an arithmetic number, because the mean of its divisors is an integer number (3911413744).

Almost surely, 2^7822827487 is an apocalyptic number.

7822827487 is a deficient number, since it is larger than the sum of its proper divisors (1).

7822827487 is an equidigital number, since it uses as much as digits as its factorization.

7822827487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5619712, while the sum is 55.

The square root of 7822827487 is about 88446.7494428145. The cubic root of 7822827487 is about 1985.1252693733.

The spelling of 7822827487 in words is "seven billion, eight hundred twenty-two million, eight hundred twenty-seven thousand, four hundred eighty-seven".