768616546 has 16 divisors (see below), whose sum is σ = 1221290784. Its totient is φ = 361539904.

The previous prime is 768616543. The next prime is 768616571. The reversal of 768616546 is 645616867.

It is a self number, because there is not a number n which added to its sum of digits gives 768616546.

It is not an unprimeable number, because it can be changed into a prime (768616543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109581 + ... + 116383.

It is an arithmetic number, because the mean of its divisors is an integer number (76330674).

Almost surely, 2^768616546 is an apocalyptic number.

768616546 is a deficient number, since it is larger than the sum of its proper divisors (452674238).

768616546 is a wasteful number, since it uses less digits than its factorization.

768616546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10145.

The product of its digits is 1451520, while the sum is 49.

The square root of 768616546 is about 27723.9345331791. The cubic root of 768616546 is about 916.0163871708.

The spelling of 768616546 in words is "seven hundred sixty-eight million, six hundred sixteen thousand, five hundred forty-six".