27800976419 has 2 divisors, whose sum is σ = 27800976420. Its totient is φ = 27800976418.

The previous prime is 27800976407. The next prime is 27800976499. The reversal of 27800976419 is 91467900872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27800976419 - 2¹² = 27800972323 is a prime.

It is a super-2 number, since 2×27800976419² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27800976499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13900488209 + 13900488210.

It is an arithmetic number, because the mean of its divisors is an integer number (13900488210).

Almost surely, 2^27800976419 is an apocalyptic number.

27800976419 is a deficient number, since it is larger than the sum of its proper divisors (1).

27800976419 is an equidigital number, since it uses as much as digits as its factorization.

27800976419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 27800976419 in words is "twenty-seven billion, eight hundred million, nine hundred seventy-six thousand, four hundred nineteen".