76828357 has 2 divisors, whose sum is σ = 76828358. Its totient is φ = 76828356.

The previous prime is 76828333. The next prime is 76828363. The reversal of 76828357 is 75382867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43639236 + 33189121 = 6606^2 + 5761^2 .

It is a cyclic number.

It is not a de Polignac number, because 76828357 - 2¹⁹ = 76304069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76828327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38414178 + 38414179.

It is an arithmetic number, because the mean of its divisors is an integer number (38414179).

Almost surely, 2^76828357 is an apocalyptic number.

It is an amenable number.

76828357 is a deficient number, since it is larger than the sum of its proper divisors (1).

76828357 is an equidigital number, since it uses as much as digits as its factorization.

76828357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 46.

The square root of 76828357 is about 8765.1786633246. The cubic root of 76828357 is about 425.1157368762.

The spelling of 76828357 in words is "seventy-six million, eight hundred twenty-eight thousand, three hundred fifty-seven".