76870776419 has 2 divisors, whose sum is σ = 76870776420. Its totient is φ = 76870776418.

The previous prime is 76870776377. The next prime is 76870776449. The reversal of 76870776419 is 91467707867.

It is a strong prime.

It is an emirp because it is prime and its reverse (91467707867) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76870776419 is a prime.

It is a super-2 number, since 2×76870776419² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76870776449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38435388209 + 38435388210.

It is an arithmetic number, because the mean of its divisors is an integer number (38435388210).

Almost surely, 2^76870776419 is an apocalyptic number.

76870776419 is a deficient number, since it is larger than the sum of its proper divisors (1).

76870776419 is an equidigital number, since it uses as much as digits as its factorization.

76870776419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24893568, while the sum is 62.

The spelling of 76870776419 in words is "seventy-six billion, eight hundred seventy million, seven hundred seventy-six thousand, four hundred nineteen".