768358057 has 2 divisors, whose sum is σ = 768358058. Its totient is φ = 768358056.

The previous prime is 768357979. The next prime is 768358091. The reversal of 768358057 is 750853867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 610880656 + 157477401 = 24716^2 + 12549^2 .

It is an emirp because it is prime and its reverse (750853867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 768358057 - 2²³ = 759969449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 768358057.

It is not a weakly prime, because it can be changed into another prime (768350057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384179028 + 384179029.

It is an arithmetic number, because the mean of its divisors is an integer number (384179029).

Almost surely, 2^768358057 is an apocalyptic number.

It is an amenable number.

768358057 is a deficient number, since it is larger than the sum of its proper divisors (1).

768358057 is an equidigital number, since it uses as much as digits as its factorization.

768358057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The square root of 768358057 is about 27719.2723028582. The cubic root of 768358057 is about 915.9136889271.

The spelling of 768358057 in words is "seven hundred sixty-eight million, three hundred fifty-eight thousand, fifty-seven".