768862947 has 16 divisors (see below), whose sum is σ = 1039127040. Its totient is φ = 505606752.

The previous prime is 768862921. The next prime is 768863003. The reversal of 768862947 is 749268867.

It is not a de Polignac number, because 768862947 - 2¹¹ = 768860899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (768862547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186454 + ... + 190532.

It is an arithmetic number, because the mean of its divisors is an integer number (64945440).

Almost surely, 2^768862947 is an apocalyptic number.

768862947 is a deficient number, since it is larger than the sum of its proper divisors (270264093).

768862947 is a wasteful number, since it uses less digits than its factorization.

768862947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4922.

The product of its digits is 8128512, while the sum is 57.

The square root of 768862947 is about 27728.3780088198. The cubic root of 768862947 is about 916.1142613928.

The spelling of 768862947 in words is "seven hundred sixty-eight million, eight hundred sixty-two thousand, nine hundred forty-seven".