768066578 has 16 divisors (see below), whose sum is σ = 1158671736. Its totient is φ = 381849600.

The previous prime is 768066547. The next prime is 768066587. The reversal of 768066578 is 875660867.

It can be written as a sum of positive squares in 4 ways, for example, as 725386489 + 42680089 = 26933^2 + 6533^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281750 + ... + 284462.

Almost surely, 2^768066578 is an apocalyptic number.

768066578 is a deficient number, since it is larger than the sum of its proper divisors (390605158).

768066578 is a wasteful number, since it uses less digits than its factorization.

768066578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The square root of 768066578 is about 27714.0141083893. The cubic root of 768066578 is about 915.7978560505.

The spelling of 768066578 in words is "seven hundred sixty-eight million, sixty-six thousand, five hundred seventy-eight".