780868127 has 12 divisors (see below), whose sum is σ = 856036440. Its totient is φ = 707882112.

The previous prime is 780868103. The next prime is 780868159. The reversal of 780868127 is 721868087.

It is a happy number.

It is not a de Polignac number, because 780868127 - 2⁶ = 780868063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780868427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 773399 + ... + 774407.

It is an arithmetic number, because the mean of its divisors is an integer number (71336370).

Almost surely, 2^780868127 is an apocalyptic number.

780868127 is a deficient number, since it is larger than the sum of its proper divisors (75168313).

780868127 is an equidigital number, since it uses as much as digits as its factorization.

780868127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 47.

The square root of 780868127 is about 27944.0177318867. The cubic root of 780868127 is about 920.8577881063.

The spelling of 780868127 in words is "seven hundred eighty million, eight hundred sixty-eight thousand, one hundred twenty-seven".