76966501 has 2 divisors, whose sum is σ = 76966502. Its totient is φ = 76966500.

The previous prime is 76966499. The next prime is 76966507. The reversal of 76966501 is 10566967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64786401 + 12180100 = 8049^2 + 3490^2 .

It is an emirp because it is prime and its reverse (10566967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76966501 - 2¹ = 76966499 is a prime.

Together with 76966499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76966507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38483250 + 38483251.

It is an arithmetic number, because the mean of its divisors is an integer number (38483251).

Almost surely, 2^76966501 is an apocalyptic number.

It is an amenable number.

76966501 is a deficient number, since it is larger than the sum of its proper divisors (1).

76966501 is an equidigital number, since it uses as much as digits as its factorization.

76966501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 76966501 is about 8773.0553970666. The cubic root of 76966501 is about 425.3703825432.

The spelling of 76966501 in words is "seventy-six million, nine hundred sixty-six thousand, five hundred one".