768878280 has 48 divisors (see below), whose sum is σ = 2498855580. Its totient is φ = 205034112.

The previous prime is 768878269. The next prime is 768878281. The reversal of 768878280 is 82878867.

It can be written as a sum of positive squares in 2 ways, for example, as 706815396 + 62062884 = 26586^2 + 7878^2 .

It is not an unprimeable number, because it can be changed into a prime (768878281) 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, 1067527 + ... + 1068246.

Almost surely, 2^768878280 is an apocalyptic number.

It is an amenable number.

768878280 is an abundant number, since it is smaller than the sum of its proper divisors (1729977300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

768878280 is a wasteful number, since it uses less digits than its factorization.

768878280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135790 (or 2135783 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 54.

The square root of 768878280 is about 27728.6544931412. The cubic root of 768878280 is about 916.1203512023.

The spelling of 768878280 in words is "seven hundred sixty-eight million, eight hundred seventy-eight thousand, two hundred eighty".