768897419 has 2 divisors, whose sum is σ = 768897420. Its totient is φ = 768897418.

The previous prime is 768897413. The next prime is 768897449. The reversal of 768897419 is 914798867.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-768897419 is a prime.

It is a super-2 number, since 2×768897419² = 1182406481889723122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (768897413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384448709 + 384448710.

It is an arithmetic number, because the mean of its divisors is an integer number (384448710).

Almost surely, 2^768897419 is an apocalyptic number.

768897419 is a deficient number, since it is larger than the sum of its proper divisors (1).

768897419 is an equidigital number, since it uses as much as digits as its factorization.

768897419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 59.

The square root of 768897419 is about 27728.9996033034. Note that the first 3 decimals coincide. The cubic root of 768897419 is about 916.1279525276.

The spelling of 768897419 in words is "seven hundred sixty-eight million, eight hundred ninety-seven thousand, four hundred nineteen".