768978357 has 32 divisors (see below), whose sum is σ = 1243533312. Its totient is φ = 412625664.

The previous prime is 768978349. The next prime is 768978401. The reversal of 768978357 is 753879867.

It is not a de Polignac number, because 768978357 - 2³ = 768978349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 768978357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768978857) 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 31 ways as a sum of consecutive naturals, for example, 171648 + ... + 176070.

It is an arithmetic number, because the mean of its divisors is an integer number (38860416).

Almost surely, 2^768978357 is an apocalyptic number.

It is an amenable number.

768978357 is a deficient number, since it is larger than the sum of its proper divisors (474554955).

768978357 is a wasteful number, since it uses less digits than its factorization.

768978357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4937.

The product of its digits is 17781120, while the sum is 60.

The square root of 768978357 is about 27730.4590117077. The cubic root of 768978357 is about 916.1600968080.

The spelling of 768978357 in words is "seven hundred sixty-eight million, nine hundred seventy-eight thousand, three hundred fifty-seven".