76851329 has 2 divisors, whose sum is σ = 76851330. Its totient is φ = 76851328.

The previous prime is 76851319. The next prime is 76851361. The reversal of 76851329 is 92315867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73068304 + 3783025 = 8548^2 + 1945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76851329 is a prime.

It is a super-2 number, since 2×76851329² = 11812253538132482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76851319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38425664 + 38425665.

It is an arithmetic number, because the mean of its divisors is an integer number (38425665).

Almost surely, 2^76851329 is an apocalyptic number.

It is an amenable number.

76851329 is a deficient number, since it is larger than the sum of its proper divisors (1).

76851329 is an equidigital number, since it uses as much as digits as its factorization.

76851329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 76851329 is about 8766.4889779204. The cubic root of 76851329 is about 425.1581031149.

The spelling of 76851329 in words is "seventy-six million, eight hundred fifty-one thousand, three hundred twenty-nine".