766906385 has 8 divisors (see below), whose sum is σ = 1051757376. Its totient is φ = 525878640.

The previous prime is 766906369. The next prime is 766906403. The reversal of 766906385 is 583609667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 766906385 - 2⁴ = 766906369 is a prime.

It is a Duffinian number.

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, 10955771 + ... + 10955840.

It is an arithmetic number, because the mean of its divisors is an integer number (131469672).

Almost surely, 2^766906385 is an apocalyptic number.

It is an amenable number.

766906385 is a deficient number, since it is larger than the sum of its proper divisors (284850991).

766906385 is a wasteful number, since it uses less digits than its factorization.

766906385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21911623.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 766906385 is about 27693.0746758102. The cubic root of 766906385 is about 915.3365081566.

The spelling of 766906385 in words is "seven hundred sixty-six million, nine hundred six thousand, three hundred eighty-five".